31781893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2039}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 37699200

約数和(自身を除く): 5917307

約数列:

[1, 11, 13, 109, 143, 1199, 1417, 2039, 15587, 22429, 26507, 222251, 291577, 2444761, 2889263, 31781893]

約数ペア:

[(1, 31781893), (11, 2889263), (13, 2444761), (109, 291577), (143, 222251), (1199, 26507), (1417, 22429), (2039, 15587)]