15297261

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5513

約数の個数: 24

約数和(自身を含む): 24979680

約数和(自身を除く): 9682419

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 5477, 16431, 38339, 104063, 115017, 268373, 312189, 728441, 805119, 2185323, 5099087, 15297261]

約数ペア:

[(1, 15297261), (3, 5099087), (7, 2185323), (19, 805119), (21, 728441), (49, 312189), (57, 268373), (133, 115017), (147, 104063), (399, 38339), (931, 16431), (2793, 5477)]