155778861

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 242142208

約数和(自身を除く): 86363347

約数列:

[1, 3, 7, 21, 73, 219, 307, 331, 511, 921, 993, 1533, 2149, 2317, 6447, 6951, 22411, 24163, 67233, 72489, 101617, 156877, 169141, 304851, 470631, 507423, 711319, 2133957, 7418041, 22254123, 51926287, 155778861]

約数ペア:

[(1, 155778861), (3, 51926287), (7, 22254123), (21, 7418041), (73, 2133957), (219, 711319), (307, 507423), (331, 470631), (511, 304851), (921, 169141), (993, 156877), (1533, 101617), (2149, 72489), (2317, 67233), (6447, 24163), (6951, 22411)]