31280403

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7127}}^1$

素因数の和:7167

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 23462637

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 7127, 21381, 49889, 78397, 135413, 149667, 235191, 406239, 548779, 947891, 1489543, 1646337, 2843673, 4468629, 10426801, 31280403]

約数ペア:

[(1, 31280403), (3, 10426801), (7, 4468629), (11, 2843673), (19, 1646337), (21, 1489543), (33, 947891), (57, 548779), (77, 406239), (133, 235191), (209, 149667), (231, 135413), (399, 78397), (627, 49889), (1463, 21381), (4389, 7127)]