66798225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 132225912

約数和(自身を除く): 65427687

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 195, 205, 225, 325, 369, 533, 557, 585, 615, 975, 1025, 1599, 1671, 1845, 2665, 2785, 2925, 3075, 4797, 5013, 7241, 7995, 8355, 9225, 13325, 13925, 21723, 22837, 23985, 25065, 36205, 39975, 41775, 65169, 68511, 108615, 114185, 119925, 125325, 181025, 205533, 296881, 325845, 342555, 543075, 570925, 890643, 1027665, 1484405, 1629225, 1712775, 2671929, 4453215, 5138325, 7422025, 13359645, 22266075, 66798225]

約数ペア:

[(1, 66798225), (3, 22266075), (5, 13359645), (9, 7422025), (13, 5138325), (15, 4453215), (25, 2671929), (39, 1712775), (41, 1629225), (45, 1484405), (65, 1027665), (75, 890643), (117, 570925), (123, 543075), (195, 342555), (205, 325845), (225, 296881), (325, 205533), (369, 181025), (533, 125325), (557, 119925), (585, 114185), (615, 108615), (975, 68511), (1025, 65169), (1599, 41775), (1671, 39975), (1845, 36205), (2665, 25065), (2785, 23985), (2925, 22837), (3075, 21723), (4797, 13925), (5013, 13325), (7241, 9225), (7995, 8355)]