31980531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15887}}^1$

素因数の和:15962

約数の個数: 16

約数和(自身を含む): 47282688

約数和(自身を除く): 15302157

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 15887, 47661, 174757, 524271, 969107, 2907321, 10660177, 31980531]

約数ペア:

[(1, 31980531), (3, 10660177), (11, 2907321), (33, 969107), (61, 524271), (183, 174757), (671, 47661), (2013, 15887)]