16201521

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 26886080

約数和(自身を除く): 10684559

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1123, 1603, 2061, 3369, 4809, 7861, 10107, 14427, 23583, 70749, 257167, 771501, 1800169, 2314503, 5400507, 16201521]

約数ペア:

[(1, 16201521), (3, 5400507), (7, 2314503), (9, 1800169), (21, 771501), (63, 257167), (229, 70749), (687, 23583), (1123, 14427), (1603, 10107), (2061, 7861), (3369, 4809)]