128218245

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{229}}^2$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 207313056

約数和(自身を除く): 79094811

約数列:

[1, 3, 5, 15, 163, 229, 489, 687, 815, 1145, 2445, 3435, 37327, 52441, 111981, 157323, 186635, 262205, 559905, 786615, 8547883, 25643649, 42739415, 128218245]

約数ペア:

[(1, 128218245), (3, 42739415), (5, 25643649), (15, 8547883), (163, 786615), (229, 559905), (489, 262205), (687, 186635), (815, 157323), (1145, 111981), (2445, 52441), (3435, 37327)]