686384631

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{127747}}^1$

素因数の和:127955

約数の個数: 16

約数和(自身を含む): 1021984000

約数和(自身を除く): 335599369

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5373, 127747, 383241, 1149723, 3449169, 25421653, 76264959, 228794877, 686384631]

約数ペア:

[(1, 686384631), (3, 228794877), (9, 76264959), (27, 25421653), (199, 3449169), (597, 1149723), (1791, 383241), (5373, 127747)]