27720483945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{1367}}^1$

素因数の和:1671

約数の個数: 128

約数和(自身を含む): 56216788992

約数和(自身を除く): 28496305047

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 97, 105, 165, 181, 231, 291, 385, 485, 543, 679, 905, 1067, 1155, 1267, 1367, 1455, 1991, 2037, 2715, 3201, 3395, 3801, 4101, 5335, 5973, 6335, 6835, 7469, 9569, 9955, 10185, 13937, 15037, 16005, 17557, 19005, 20505, 22407, 28707, 29865, 37345, 41811, 45111, 47845, 52671, 69685, 75185, 87785, 105259, 112035, 122899, 132599, 143535, 193127, 209055, 225555, 247427, 263355, 315777, 368697, 397797, 526295, 579381, 614495, 662995, 742281, 928193, 965635, 1237135, 1351889, 1458589, 1578885, 1731989, 1843485, 1988985, 2721697, 2784579, 2896905, 3711405, 4055667, 4375767, 4640965, 5195967, 6759445, 7292945, 8165091, 8659945, 10210123, 13608485, 13922895, 19051879, 20278335, 21878835, 24000419, 25979835, 30630369, 40825455, 51050615, 57155637, 72001257, 95259395, 120002095, 153151845, 168002933, 264004609, 285778185, 360006285, 504008799, 792013827, 840014665, 1320023045, 1848032263, 2520043995, 3960069135, 5544096789, 9240161315, 27720483945]

約数ペア:

[(1, 27720483945), (3, 9240161315), (5, 5544096789), (7, 3960069135), (11, 2520043995), (15, 1848032263), (21, 1320023045), (33, 840014665), (35, 792013827), (55, 504008799), (77, 360006285), (97, 285778185), (105, 264004609), (165, 168002933), (181, 153151845), (231, 120002095), (291, 95259395), (385, 72001257), (485, 57155637), (543, 51050615), (679, 40825455), (905, 30630369), (1067, 25979835), (1155, 24000419), (1267, 21878835), (1367, 20278335), (1455, 19051879), (1991, 13922895), (2037, 13608485), (2715, 10210123), (3201, 8659945), (3395, 8165091), (3801, 7292945), (4101, 6759445), (5335, 5195967), (5973, 4640965), (6335, 4375767), (6835, 4055667), (7469, 3711405), (9569, 2896905), (9955, 2784579), (10185, 2721697), (13937, 1988985), (15037, 1843485), (16005, 1731989), (17557, 1578885), (19005, 1458589), (20505, 1351889), (22407, 1237135), (28707, 965635), (29865, 928193), (37345, 742281), (41811, 662995), (45111, 614495), (47845, 579381), (52671, 526295), (69685, 397797), (75185, 368697), (87785, 315777), (105259, 263355), (112035, 247427), (122899, 225555), (132599, 209055), (143535, 193127)]