30813993

素因数分解:

$3^3\times 7^2\times {\mathrm{23291}}^1$

素因数の和:23314

約数の個数: 24

約数和(自身を含む): 53105760

約数和(自身を除く): 22291767

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 23291, 69873, 163037, 209619, 489111, 628857, 1141259, 1467333, 3423777, 4401999, 10271331, 30813993]

約数ペア:

[(1, 30813993), (3, 10271331), (7, 4401999), (9, 3423777), (21, 1467333), (27, 1141259), (49, 628857), (63, 489111), (147, 209619), (189, 163037), (441, 69873), (1323, 23291)]