71916159

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180241}}^1$

素因数の和:180270

約数の個数: 16

約数和(自身を含む): 115354880

約数和(自身を除く): 43438721

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180241, 540723, 1261687, 3424579, 3785061, 10273737, 23972053, 71916159]

約数ペア:

[(1, 71916159), (3, 23972053), (7, 10273737), (19, 3785061), (21, 3424579), (57, 1261687), (133, 540723), (399, 180241)]