947121

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 1559520

約数和(自身を除く): 612399

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 379, 833, 1137, 2499, 2653, 6443, 7959, 18571, 19329, 45101, 55713, 135303, 315707, 947121]

約数ペア:

[(1, 947121), (3, 315707), (7, 135303), (17, 55713), (21, 45101), (49, 19329), (51, 18571), (119, 7959), (147, 6443), (357, 2653), (379, 2499), (833, 1137)]