156767721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{431867}}^1$

素因数の和:431892

約数の個数: 12

約数和(自身を含む): 229753776

約数和(自身を除く): 72986055

約数列:

[1, 3, 11, 33, 121, 363, 431867, 1295601, 4750537, 14251611, 52255907, 156767721]

約数ペア:

[(1, 156767721), (3, 52255907), (11, 14251611), (33, 4750537), (121, 1295601), (363, 431867)]