81372798

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347747}}^1$

素因数の和:347768

約数の個数: 24

約数和(自身を含む): 189870408

約数和(自身を除く): 108497610

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 347747, 695494, 1043241, 2086482, 3129723, 4520711, 6259446, 9041422, 13562133, 27124266, 40686399, 81372798]

約数ペア:

[(1, 81372798), (2, 40686399), (3, 27124266), (6, 13562133), (9, 9041422), (13, 6259446), (18, 4520711), (26, 3129723), (39, 2086482), (78, 1043241), (117, 695494), (234, 347747)]