1516887

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 20

約数和(自身を含む): 2310616

約数和(自身を除く): 793729

約数列:

[1, 3, 9, 27, 61, 81, 183, 307, 549, 921, 1647, 2763, 4941, 8289, 18727, 24867, 56181, 168543, 505629, 1516887]

約数ペア:

[(1, 1516887), (3, 505629), (9, 168543), (27, 56181), (61, 24867), (81, 18727), (183, 8289), (307, 4941), (549, 2763), (921, 1647)]