209905355

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31541}}^1$

素因数の和:31579

約数の個数: 16

約数和(自身を含む): 277064928

約数和(自身を除く): 67159573

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 31541, 157705, 346951, 1734755, 3816461, 19082305, 41981071, 209905355]

約数ペア:

[(1, 209905355), (5, 41981071), (11, 19082305), (55, 3816461), (121, 1734755), (605, 346951), (1331, 157705), (6655, 31541)]