128051685

素因数分解:

$3^4\times 5^1\times {\mathrm{316177}}^1$

素因数の和:316194

約数の個数: 20

約数和(自身を含む): 229545228

約数和(自身を除く): 101493543

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 316177, 948531, 1580885, 2845593, 4742655, 8536779, 14227965, 25610337, 42683895, 128051685]

約数ペア:

[(1, 128051685), (3, 42683895), (5, 25610337), (9, 14227965), (15, 8536779), (27, 4742655), (45, 2845593), (81, 1580885), (135, 948531), (405, 316177)]