63953775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 121170816

約数和(自身を除く): 57217041

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 155, 159, 173, 225, 265, 279, 465, 477, 519, 775, 795, 865, 1325, 1395, 1557, 1643, 2325, 2385, 2595, 3975, 4325, 4929, 5363, 6975, 7785, 8215, 9169, 11925, 12975, 14787, 16089, 24645, 26815, 27507, 38925, 41075, 45845, 48267, 73935, 80445, 82521, 123225, 134075, 137535, 229225, 241335, 284239, 369675, 402225, 412605, 687675, 852717, 1206675, 1421195, 2063025, 2558151, 4263585, 7105975, 12790755, 21317925, 63953775]

約数ペア:

[(1, 63953775), (3, 21317925), (5, 12790755), (9, 7105975), (15, 4263585), (25, 2558151), (31, 2063025), (45, 1421195), (53, 1206675), (75, 852717), (93, 687675), (155, 412605), (159, 402225), (173, 369675), (225, 284239), (265, 241335), (279, 229225), (465, 137535), (477, 134075), (519, 123225), (775, 82521), (795, 80445), (865, 73935), (1325, 48267), (1395, 45845), (1557, 41075), (1643, 38925), (2325, 27507), (2385, 26815), (2595, 24645), (3975, 16089), (4325, 14787), (4929, 12975), (5363, 11925), (6975, 9169), (7785, 8215)]