15681285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 13147515

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 109, 115, 139, 207, 327, 345, 417, 545, 695, 981, 1035, 1251, 1635, 2085, 2507, 3197, 4905, 6255, 7521, 9591, 12535, 15151, 15985, 22563, 28773, 37605, 45453, 47955, 75755, 112815, 136359, 143865, 227265, 348473, 681795, 1045419, 1742365, 3136257, 5227095, 15681285]

約数ペア:

[(1, 15681285), (3, 5227095), (5, 3136257), (9, 1742365), (15, 1045419), (23, 681795), (45, 348473), (69, 227265), (109, 143865), (115, 136359), (139, 112815), (207, 75755), (327, 47955), (345, 45453), (417, 37605), (545, 28773), (695, 22563), (981, 15985), (1035, 15151), (1251, 12535), (1635, 9591), (2085, 7521), (2507, 6255), (3197, 4905)]