81874029

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{1259}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 111585600

約数和(自身を除く): 29711571

約数列:

[1, 3, 53, 159, 409, 1227, 1259, 3777, 21677, 65031, 66727, 200181, 514931, 1544793, 27291343, 81874029]

約数ペア:

[(1, 81874029), (3, 27291343), (53, 1544793), (159, 514931), (409, 200181), (1227, 66727), (1259, 65031), (3777, 21677)]