261323631

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{420811}}^1$

素因数の和:420843

約数の個数: 16

約数和(自身を含む): 403979520

約数和(自身を除く): 142655889

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 420811, 1262433, 3787299, 9678653, 11361897, 29035959, 87107877, 261323631]

約数ペア:

[(1, 261323631), (3, 87107877), (9, 29035959), (23, 11361897), (27, 9678653), (69, 3787299), (207, 1262433), (621, 420811)]