217310055

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{204047}}^1$

素因数の和:204126

約数の個数: 16

約数和(自身を含む): 352594944

約数和(自身を除く): 135284889

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 204047, 612141, 1020235, 3060705, 14487337, 43462011, 72436685, 217310055]

約数ペア:

[(1, 217310055), (3, 72436685), (5, 43462011), (15, 14487337), (71, 3060705), (213, 1020235), (355, 612141), (1065, 204047)]