261566277

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{82487}}^1$

素因数の和:82648

約数の個数: 16

約数和(自身を含む): 401221632

約数和(自身を除く): 139655355

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 82487, 247461, 577409, 1732227, 12455537, 37366611, 87188759, 261566277]

約数ペア:

[(1, 261566277), (3, 87188759), (7, 37366611), (21, 12455537), (151, 1732227), (453, 577409), (1057, 247461), (3171, 82487)]