219398403

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7699}}^1$

素因数の和:7791

約数の個数: 32

約数和(自身を含む): 354816000

約数和(自身を除く): 135417597

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 1239, 1357, 4071, 7699, 9499, 23097, 28497, 53893, 161679, 177077, 454241, 531231, 1239539, 1362723, 3179687, 3718617, 9539061, 10447543, 31342629, 73132801, 219398403]

約数ペア:

[(1, 219398403), (3, 73132801), (7, 31342629), (21, 10447543), (23, 9539061), (59, 3718617), (69, 3179687), (161, 1362723), (177, 1239539), (413, 531231), (483, 454241), (1239, 177077), (1357, 161679), (4071, 53893), (7699, 28497), (9499, 23097)]