13681521

素因数分解:

$3^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 23347200

約数和(自身を除く): 9665679

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 191, 379, 573, 1137, 1337, 1719, 2653, 3411, 4011, 5157, 7959, 10233, 12033, 23877, 36099, 71631, 72389, 217167, 506723, 651501, 1520169, 1954503, 4560507, 13681521]

約数ペア:

[(1, 13681521), (3, 4560507), (7, 1954503), (9, 1520169), (21, 651501), (27, 506723), (63, 217167), (189, 72389), (191, 71631), (379, 36099), (573, 23877), (1137, 12033), (1337, 10233), (1719, 7959), (2653, 5157), (3411, 4011)]