18158217

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78607}}^1$

素因数の和:78628

約数の個数: 16

約数和(自身を含む): 30185472

約数和(自身を除く): 12027255

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 78607, 235821, 550249, 864677, 1650747, 2594031, 6052739, 18158217]

約数ペア:

[(1, 18158217), (3, 6052739), (7, 2594031), (11, 1650747), (21, 864677), (33, 550249), (77, 235821), (231, 78607)]