78823521

素因数分解:

$3^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1721}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 130376064

約数和(自身を除く): 51552543

約数列:

[1, 3, 7, 9, 21, 63, 727, 1721, 2181, 5089, 5163, 6543, 12047, 15267, 15489, 36141, 45801, 108423, 1251167, 3753501, 8758169, 11260503, 26274507, 78823521]

約数ペア:

[(1, 78823521), (3, 26274507), (7, 11260503), (9, 8758169), (21, 3753501), (63, 1251167), (727, 108423), (1721, 45801), (2181, 36141), (5089, 15489), (5163, 15267), (6543, 12047)]