27981721

素因数分解:

${\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 1774439

約数列:

[1, 41, 53, 79, 163, 2173, 3239, 4187, 6683, 8639, 12877, 171667, 354199, 527957, 682481, 27981721]

約数ペア:

[(1, 27981721), (41, 682481), (53, 527957), (79, 354199), (163, 171667), (2173, 12877), (3239, 8639), (4187, 6683)]