628291215

素因数分解:

$3^3\times 5^1\times {\mathrm{4654009}}^1$

素因数の和:4654023

約数の個数: 16

約数和(自身を含む): 1116962400

約数和(自身を除く): 488671185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4654009, 13962027, 23270045, 41886081, 69810135, 125658243, 209430405, 628291215]

約数ペア:

[(1, 628291215), (3, 209430405), (5, 125658243), (9, 69810135), (15, 41886081), (27, 23270045), (45, 13962027), (135, 4654009)]