212981679

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{4493}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 322489440

約数和(自身を除く): 109507761

約数列:

[1, 3, 9, 23, 69, 207, 229, 687, 2061, 4493, 5267, 13479, 15801, 40437, 47403, 103339, 310017, 930051, 1028897, 3086691, 9260073, 23664631, 70993893, 212981679]

約数ペア:

[(1, 212981679), (3, 70993893), (9, 23664631), (23, 9260073), (69, 3086691), (207, 1028897), (229, 930051), (687, 310017), (2061, 103339), (4493, 47403), (5267, 40437), (13479, 15801)]