81609144

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12101}}^1$

素因数の和:12391

約数の個数: 32

約数和(自身を含む): 204765840

約数和(自身を除く): 123156696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3372, 6744, 12101, 24202, 36303, 48404, 72606, 96808, 145212, 290424, 3400381, 6800762, 10201143, 13601524, 20402286, 27203048, 40804572, 81609144]

約数ペア:

[(1, 81609144), (2, 40804572), (3, 27203048), (4, 20402286), (6, 13601524), (8, 10201143), (12, 6800762), (24, 3400381), (281, 290424), (562, 145212), (843, 96808), (1124, 72606), (1686, 48404), (2248, 36303), (3372, 24202), (6744, 12101)]