13311945

素因数分解:

$3^4\times 5^1\times {\mathrm{32869}}^1$

素因数の和:32886

約数の個数: 20

約数和(自身を含む): 23863620

約数和(自身を除く): 10551675

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32869, 98607, 164345, 295821, 493035, 887463, 1479105, 2662389, 4437315, 13311945]

約数ペア:

[(1, 13311945), (3, 4437315), (5, 2662389), (9, 1479105), (15, 887463), (27, 493035), (45, 295821), (81, 164345), (135, 98607), (405, 32869)]