12198195

素因数分解:

$3^4\times 5^1\times {\mathrm{30119}}^1$

素因数の和:30136

約数の個数: 20

約数和(自身を含む): 21867120

約数和(自身を除く): 9668925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30119, 90357, 150595, 271071, 451785, 813213, 1355355, 2439639, 4066065, 12198195]

約数ペア:

[(1, 12198195), (3, 4066065), (5, 2439639), (9, 1355355), (15, 813213), (27, 451785), (45, 271071), (81, 150595), (135, 90357), (405, 30119)]