16864605

素因数分解:

$3^4\times 5^1\times {\mathrm{41641}}^1$

素因数の和:41658

約数の個数: 20

約数和(自身を含む): 30232092

約数和(自身を除く): 13367487

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41641, 124923, 208205, 374769, 624615, 1124307, 1873845, 3372921, 5621535, 16864605]

約数ペア:

[(1, 16864605), (3, 5621535), (5, 3372921), (9, 1873845), (15, 1124307), (27, 624615), (45, 374769), (81, 208205), (135, 124923), (405, 41641)]