212507649

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{4483}}^1$

素因数の和:4741

約数の個数: 24

約数和(自身を含む): 321771840

約数和(自身を除く): 109264191

約数列:

[1, 3, 9, 23, 69, 207, 229, 687, 2061, 4483, 5267, 13449, 15801, 40347, 47403, 103109, 309327, 927981, 1026607, 3079821, 9239463, 23611961, 70835883, 212507649]

約数ペア:

[(1, 212507649), (3, 70835883), (9, 23611961), (23, 9239463), (69, 3079821), (207, 1026607), (229, 927981), (687, 309327), (2061, 103109), (4483, 47403), (5267, 40347), (13449, 15801)]