1872639

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 2850760

約数和(自身を除く): 978121

約数列:

[1, 3, 9, 27, 61, 81, 183, 379, 549, 1137, 1647, 3411, 4941, 10233, 23119, 30699, 69357, 208071, 624213, 1872639]

約数ペア:

[(1, 1872639), (3, 624213), (9, 208071), (27, 69357), (61, 30699), (81, 23119), (183, 10233), (379, 4941), (549, 3411), (1137, 1647)]