30781335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3671}}^1$

素因数の和:3735

約数の個数: 32

約数和(自身を含む): 54286848

約数和(自身を除く): 23505513

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3671, 8385, 11013, 18355, 47723, 55065, 143169, 157853, 238615, 473559, 715845, 789265, 2052089, 2367795, 6156267, 10260445, 30781335]

約数ペア:

[(1, 30781335), (3, 10260445), (5, 6156267), (13, 2367795), (15, 2052089), (39, 789265), (43, 715845), (65, 473559), (129, 238615), (195, 157853), (215, 143169), (559, 55065), (645, 47723), (1677, 18355), (2795, 11013), (3671, 8385)]