13020399

素因数分解:

$3^3\times 7^1\times {\mathrm{68891}}^1$

素因数の和:68907

約数の個数: 16

約数和(自身を含む): 22045440

約数和(自身を除く): 9025041

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 68891, 206673, 482237, 620019, 1446711, 1860057, 4340133, 13020399]

約数ペア:

[(1, 13020399), (3, 4340133), (7, 1860057), (9, 1446711), (21, 620019), (27, 482237), (63, 206673), (189, 68891)]