156817221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 233625600

約数和(自身を除く): 76808379

約数列:

[1, 3, 11, 33, 59, 177, 239, 337, 649, 717, 1011, 1947, 2629, 3707, 7887, 11121, 14101, 19883, 42303, 59649, 80543, 155111, 218713, 241629, 465333, 656139, 885973, 2657919, 4752037, 14256111, 52272407, 156817221]

約数ペア:

[(1, 156817221), (3, 52272407), (11, 14256111), (33, 4752037), (59, 2657919), (177, 885973), (239, 656139), (337, 465333), (649, 241629), (717, 218713), (1011, 155111), (1947, 80543), (2629, 59649), (3707, 42303), (7887, 19883), (11121, 14101)]