254478609

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 108

約数和(自身を含む): 496707120

約数和(自身を除く): 242228511

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 121, 133, 147, 171, 209, 231, 251, 363, 399, 441, 539, 627, 693, 753, 847, 931, 1089, 1197, 1463, 1617, 1757, 1881, 2259, 2299, 2541, 2761, 2793, 4389, 4769, 4851, 5271, 5929, 6897, 7623, 8283, 8379, 10241, 12299, 13167, 14307, 15813, 16093, 17787, 19327, 20691, 24849, 30371, 30723, 33383, 36897, 42921, 48279, 52459, 53361, 57981, 91113, 92169, 100149, 110691, 112651, 135289, 144837, 157377, 173943, 212597, 233681, 273339, 300447, 337953, 367213, 405867, 472131, 577049, 637791, 701043, 1013859, 1101639, 1217601, 1488179, 1731147, 1913373, 2103129, 2570491, 3304917, 4039343, 4464537, 5193441, 7711473, 12118029, 13393611, 23134419, 28275401, 36354087, 84826203, 254478609]

約数ペア:

[(1, 254478609), (3, 84826203), (7, 36354087), (9, 28275401), (11, 23134419), (19, 13393611), (21, 12118029), (33, 7711473), (49, 5193441), (57, 4464537), (63, 4039343), (77, 3304917), (99, 2570491), (121, 2103129), (133, 1913373), (147, 1731147), (171, 1488179), (209, 1217601), (231, 1101639), (251, 1013859), (363, 701043), (399, 637791), (441, 577049), (539, 472131), (627, 405867), (693, 367213), (753, 337953), (847, 300447), (931, 273339), (1089, 233681), (1197, 212597), (1463, 173943), (1617, 157377), (1757, 144837), (1881, 135289), (2259, 112651), (2299, 110691), (2541, 100149), (2761, 92169), (2793, 91113), (4389, 57981), (4769, 53361), (4851, 52459), (5271, 48279), (5929, 42921), (6897, 36897), (7623, 33383), (8283, 30723), (8379, 30371), (10241, 24849), (12299, 20691), (13167, 19327), (14307, 17787), (15813, 16093)]