2108435265

素因数分解:

$3^4\times 5^1\times {\mathrm{5206013}}^1$

素因数の和:5206030

約数の個数: 20

約数和(自身を含む): 3779566164

約数和(自身を除く): 1671130899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5206013, 15618039, 26030065, 46854117, 78090195, 140562351, 234270585, 421687053, 702811755, 2108435265]

約数ペア:

[(1, 2108435265), (3, 702811755), (5, 421687053), (9, 234270585), (15, 140562351), (27, 78090195), (45, 46854117), (81, 26030065), (135, 15618039), (405, 5206013)]