210375285

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 344321280

約数和(自身を除く): 133945995

約数列:

[1, 3, 5, 15, 53, 159, 265, 409, 647, 795, 1227, 1941, 2045, 3235, 6135, 9705, 21677, 34291, 65031, 102873, 108385, 171455, 264623, 325155, 514365, 793869, 1323115, 3969345, 14025019, 42075057, 70125095, 210375285]

約数ペア:

[(1, 210375285), (3, 70125095), (5, 42075057), (15, 14025019), (53, 3969345), (159, 1323115), (265, 793869), (409, 514365), (647, 325155), (795, 264623), (1227, 171455), (1941, 108385), (2045, 102873), (3235, 65031), (6135, 34291), (9705, 21677)]