210818905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{348461}}^1$

素因数の和:348488

約数の個数: 12

約数和(自身を含む): 278072676

約数和(自身を除く): 67253771

約数列:

[1, 5, 11, 55, 121, 605, 348461, 1742305, 3833071, 19165355, 42163781, 210818905]

約数ペア:

[(1, 210818905), (5, 42163781), (11, 19165355), (55, 3833071), (121, 1742305), (605, 348461)]