31608381

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11317}}^1$

素因数の和:11353

約数の個数: 24

約数和(自身を含む): 51610080

約数和(自身を除く): 20001699

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 11317, 33951, 79219, 215023, 237657, 554533, 645069, 1505161, 1663599, 4515483, 10536127, 31608381]

約数ペア:

[(1, 31608381), (3, 10536127), (7, 4515483), (19, 1663599), (21, 1505161), (49, 645069), (57, 554533), (133, 237657), (147, 215023), (399, 79219), (931, 33951), (2793, 11317)]