205471497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4657}}^1$

素因数の和:4869

約数の個数: 32

約数和(自身を含む): 343425024

約数和(自身を除く): 137953527

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 573, 1337, 2101, 4011, 4657, 6303, 13971, 14707, 32599, 44121, 51227, 97797, 153681, 358589, 889487, 1075767, 2668461, 6226409, 9784357, 18679227, 29353071, 68490499, 205471497]

約数ペア:

[(1, 205471497), (3, 68490499), (7, 29353071), (11, 18679227), (21, 9784357), (33, 6226409), (77, 2668461), (191, 1075767), (231, 889487), (573, 358589), (1337, 153681), (2101, 97797), (4011, 51227), (4657, 44121), (6303, 32599), (13971, 14707)]