205157079

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{52163}}^1$

素因数の和:52211

約数の個数: 24

約数和(自身を含む): 325503360

約数和(自身を除く): 120346281

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 52163, 156489, 469467, 991097, 1199749, 2973291, 3599247, 8919873, 10797741, 22795231, 68385693, 205157079]

約数ペア:

[(1, 205157079), (3, 68385693), (9, 22795231), (19, 10797741), (23, 8919873), (57, 3599247), (69, 2973291), (171, 1199749), (207, 991097), (437, 469467), (1311, 156489), (3933, 52163)]