15320403

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12799}}^1$

素因数の和:12831

約数の個数: 24

約数和(自身を含む): 26624000

約数和(自身を除く): 11303597

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 12799, 38397, 89593, 115191, 243181, 268779, 729543, 806337, 1702267, 2188629, 5106801, 15320403]

約数ペア:

[(1, 15320403), (3, 5106801), (7, 2188629), (9, 1702267), (19, 806337), (21, 729543), (57, 268779), (63, 243181), (133, 115191), (171, 89593), (399, 38397), (1197, 12799)]