198823815

素因数分解:

$3^6\times 5^1\times {\mathrm{54547}}^1$

素因数の和:54570

約数の個数: 28

約数和(自身を含む): 357725784

約数和(自身を除く): 158901969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 54547, 163641, 272735, 490923, 818205, 1472769, 2454615, 4418307, 7363845, 13254921, 22091535, 39764763, 66274605, 198823815]

約数ペア:

[(1, 198823815), (3, 66274605), (5, 39764763), (9, 22091535), (15, 13254921), (27, 7363845), (45, 4418307), (81, 2454615), (135, 1472769), (243, 818205), (405, 490923), (729, 272735), (1215, 163641), (3645, 54547)]