2638521

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 16

約数和(自身を含む): 3961600

約数和(自身を除く): 1323079

約数列:

[1, 3, 9, 27, 79, 237, 711, 1237, 2133, 3711, 11133, 33399, 97723, 293169, 879507, 2638521]

約数ペア:

[(1, 2638521), (3, 879507), (9, 293169), (27, 97723), (79, 33399), (237, 11133), (711, 3711), (1237, 2133)]