1672245

素因数分解:

$3^4\times 5^1\times {\mathrm{4129}}^1$

素因数の和:4146

約数の個数: 20

約数和(自身を含む): 2998380

約数和(自身を除く): 1326135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4129, 12387, 20645, 37161, 61935, 111483, 185805, 334449, 557415, 1672245]

約数ペア:

[(1, 1672245), (3, 557415), (5, 334449), (9, 185805), (15, 111483), (27, 61935), (45, 37161), (81, 20645), (135, 12387), (405, 4129)]