61487895

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 131328000

約数和(自身を除く): 69840105

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 37, 49, 51, 57, 85, 95, 105, 111, 119, 133, 147, 185, 245, 255, 259, 285, 323, 343, 357, 399, 555, 595, 629, 665, 703, 735, 777, 833, 931, 969, 1029, 1295, 1615, 1715, 1785, 1813, 1887, 1995, 2109, 2261, 2499, 2793, 3145, 3515, 3885, 4165, 4403, 4655, 4845, 4921, 5145, 5439, 5831, 6517, 6783, 9065, 9435, 10545, 11305, 11951, 12495, 12691, 13209, 13965, 14763, 15827, 17493, 19551, 22015, 24605, 27195, 29155, 30821, 32585, 33915, 34447, 35853, 38073, 47481, 59755, 63455, 66045, 73815, 79135, 83657, 87465, 92463, 97755, 103341, 110789, 154105, 172235, 179265, 190365, 215747, 237405, 241129, 250971, 332367, 418285, 462315, 516705, 553945, 585599, 647241, 723387, 1078735, 1205645, 1254855, 1661835, 1756797, 2927995, 3236205, 3616935, 4099193, 8783985, 12297579, 20495965, 61487895]

約数ペア:

[(1, 61487895), (3, 20495965), (5, 12297579), (7, 8783985), (15, 4099193), (17, 3616935), (19, 3236205), (21, 2927995), (35, 1756797), (37, 1661835), (49, 1254855), (51, 1205645), (57, 1078735), (85, 723387), (95, 647241), (105, 585599), (111, 553945), (119, 516705), (133, 462315), (147, 418285), (185, 332367), (245, 250971), (255, 241129), (259, 237405), (285, 215747), (323, 190365), (343, 179265), (357, 172235), (399, 154105), (555, 110789), (595, 103341), (629, 97755), (665, 92463), (703, 87465), (735, 83657), (777, 79135), (833, 73815), (931, 66045), (969, 63455), (1029, 59755), (1295, 47481), (1615, 38073), (1715, 35853), (1785, 34447), (1813, 33915), (1887, 32585), (1995, 30821), (2109, 29155), (2261, 27195), (2499, 24605), (2793, 22015), (3145, 19551), (3515, 17493), (3885, 15827), (4165, 14763), (4403, 13965), (4655, 13209), (4845, 12691), (4921, 12495), (5145, 11951), (5439, 11305), (5831, 10545), (6517, 9435), (6783, 9065)]