28968921

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{3541}}^1$

素因数の和:3654

約数の個数: 20

約数和(自身を含む): 43715364

約数和(自身を除く): 14746443

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 3541, 8181, 10623, 31869, 95607, 286821, 357641, 1072923, 3218769, 9656307, 28968921]

約数ペア:

[(1, 28968921), (3, 9656307), (9, 3218769), (27, 1072923), (81, 357641), (101, 286821), (303, 95607), (909, 31869), (2727, 10623), (3541, 8181)]