78817137

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{4919}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 123393600

約数和(自身を除く): 44576463

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 4919, 5341, 14757, 16023, 34433, 103299, 241031, 536171, 723093, 1608513, 3753197, 11259591, 26272379, 78817137]

約数ペア:

[(1, 78817137), (3, 26272379), (7, 11259591), (21, 3753197), (49, 1608513), (109, 723093), (147, 536171), (327, 241031), (763, 103299), (2289, 34433), (4919, 16023), (5341, 14757)]