31277127

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 19871673

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1109, 1343, 1659, 3327, 4029, 7763, 9401, 18853, 23289, 28203, 56559, 87611, 131971, 262833, 395913, 613277, 1489387, 1839831, 4468161, 10425709, 31277127]

約数ペア:

[(1, 31277127), (3, 10425709), (7, 4468161), (17, 1839831), (21, 1489387), (51, 613277), (79, 395913), (119, 262833), (237, 131971), (357, 87611), (553, 56559), (1109, 28203), (1343, 23289), (1659, 18853), (3327, 9401), (4029, 7763)]