81582825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 141615936

約数和(自身を除く): 60033111

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 615, 617, 645, 1025, 1075, 1763, 1851, 3075, 3085, 3225, 5289, 8815, 9255, 15425, 25297, 26445, 26531, 44075, 46275, 75891, 79593, 126485, 132225, 132655, 379455, 397965, 632425, 663275, 1087771, 1897275, 1989825, 3263313, 5438855, 16316565, 27194275, 81582825]

約数ペア:

[(1, 81582825), (3, 27194275), (5, 16316565), (15, 5438855), (25, 3263313), (41, 1989825), (43, 1897275), (75, 1087771), (123, 663275), (129, 632425), (205, 397965), (215, 379455), (615, 132655), (617, 132225), (645, 126485), (1025, 79593), (1075, 75891), (1763, 46275), (1851, 44075), (3075, 26531), (3085, 26445), (3225, 25297), (5289, 15425), (8815, 9255)]