157218507

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 230191104

約数和(自身を除く): 72972597

約数列:

[1, 3, 9, 127, 263, 381, 523, 789, 1143, 1569, 2367, 4707, 33401, 66421, 100203, 137549, 199263, 300609, 412647, 597789, 1237941, 17468723, 52406169, 157218507]

約数ペア:

[(1, 157218507), (3, 52406169), (9, 17468723), (127, 1237941), (263, 597789), (381, 412647), (523, 300609), (789, 199263), (1143, 137549), (1569, 100203), (2367, 66421), (4707, 33401)]