31269771

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3989}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 49380240

約数和(自身を除く): 18110469

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 3989, 7839, 11967, 35901, 51857, 155571, 267263, 466713, 801789, 2405367, 3474419, 10423257, 31269771]

約数ペア:

[(1, 31269771), (3, 10423257), (9, 3474419), (13, 2405367), (39, 801789), (67, 466713), (117, 267263), (201, 155571), (603, 51857), (871, 35901), (2613, 11967), (3989, 7839)]