31972779

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{27539}}^1$

素因数の和:27591

約数の個数: 16

約数和(自身を含む): 48470400

約数和(自身を除く): 16497621

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 27539, 82617, 247851, 743553, 1184177, 3552531, 10657593, 31972779]

約数ペア:

[(1, 31972779), (3, 10657593), (9, 3552531), (27, 1184177), (43, 743553), (129, 247851), (387, 82617), (1161, 27539)]