420172275

素因数分解:

$3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{19937}}^1$

素因数の和:20231

約数の個数: 24

約数和(自身を含む): 697191984

約数和(自身を除く): 277019709

約数列:

[1, 3, 5, 15, 25, 75, 281, 843, 1405, 4215, 7025, 19937, 21075, 59811, 99685, 299055, 498425, 1495275, 5602297, 16806891, 28011485, 84034455, 140057425, 420172275]

約数ペア:

[(1, 420172275), (3, 140057425), (5, 84034455), (15, 28011485), (25, 16806891), (75, 5602297), (281, 1495275), (843, 498425), (1405, 299055), (4215, 99685), (7025, 59811), (19937, 21075)]