261330789

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{2957}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 353540160

約数和(自身を除く): 92209371

約数列:

[1, 3, 89, 267, 331, 993, 2957, 8871, 29459, 88377, 263173, 789519, 978767, 2936301, 87110263, 261330789]

約数ペア:

[(1, 261330789), (3, 87110263), (89, 2936301), (267, 978767), (331, 789519), (993, 263173), (2957, 88377), (8871, 29459)]