12985515

素因数分解:

$3^4\times 5^1\times {\mathrm{32063}}^1$

素因数の和:32080

約数の個数: 20

約数和(自身を含む): 23278464

約数和(自身を除く): 10292949

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32063, 96189, 160315, 288567, 480945, 865701, 1442835, 2597103, 4328505, 12985515]

約数ペア:

[(1, 12985515), (3, 4328505), (5, 2597103), (9, 1442835), (15, 865701), (27, 480945), (45, 288567), (81, 160315), (135, 96189), (405, 32063)]