81309423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{13807}}^1$

素因数の和:13974

約数の個数: 16

約数和(自身を含む): 117533696

約数和(自身を除く): 36224273

約数列:

[1, 3, 13, 39, 151, 453, 1963, 5889, 13807, 41421, 179491, 538473, 2084857, 6254571, 27103141, 81309423]

約数ペア:

[(1, 81309423), (3, 27103141), (13, 6254571), (39, 2084857), (151, 538473), (453, 179491), (1963, 41421), (5889, 13807)]