42665625

素因数分解:

$3^2\times 5^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 81041688

約数和(自身を除く): 38376063

約数列:

[1, 3, 5, 9, 15, 25, 37, 41, 45, 75, 111, 123, 125, 185, 205, 225, 333, 369, 375, 555, 615, 625, 925, 1025, 1125, 1517, 1665, 1845, 1875, 2775, 3075, 3125, 4551, 4625, 5125, 5625, 7585, 8325, 9225, 9375, 13653, 13875, 15375, 22755, 23125, 25625, 28125, 37925, 41625, 46125, 68265, 69375, 76875, 113775, 115625, 128125, 189625, 208125, 230625, 341325, 346875, 384375, 568875, 948125, 1040625, 1153125, 1706625, 2844375, 4740625, 8533125, 14221875, 42665625]

約数ペア:

[(1, 42665625), (3, 14221875), (5, 8533125), (9, 4740625), (15, 2844375), (25, 1706625), (37, 1153125), (41, 1040625), (45, 948125), (75, 568875), (111, 384375), (123, 346875), (125, 341325), (185, 230625), (205, 208125), (225, 189625), (333, 128125), (369, 115625), (375, 113775), (555, 76875), (615, 69375), (625, 68265), (925, 46125), (1025, 41625), (1125, 37925), (1517, 28125), (1665, 25625), (1845, 23125), (1875, 22755), (2775, 15375), (3075, 13875), (3125, 13653), (4551, 9375), (4625, 9225), (5125, 8325), (5625, 7585)]