210654315

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{27059}}^1$

素因数の和:27243

約数の個数: 24

約数和(自身を含む): 367258320

約数和(自身を除く): 156604005

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 27059, 81177, 135295, 243531, 405885, 1217655, 4681207, 14043621, 23406035, 42130863, 70218105, 210654315]

約数ペア:

[(1, 210654315), (3, 70218105), (5, 42130863), (9, 23406035), (15, 14043621), (45, 4681207), (173, 1217655), (519, 405885), (865, 243531), (1557, 135295), (2595, 81177), (7785, 27059)]