81137945

素因数分解:

$5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{2999}}^1$

素因数の和:3784

約数の個数: 16

約数和(自身を含む): 111456000

約数和(自身を除く): 30318055

約数列:

[1, 5, 7, 35, 773, 2999, 3865, 5411, 14995, 20993, 27055, 104965, 2318227, 11591135, 16227589, 81137945]

約数ペア:

[(1, 81137945), (5, 16227589), (7, 11591135), (35, 2318227), (773, 104965), (2999, 27055), (3865, 20993), (5411, 14995)]