3961251

素因数分解:

$3^3\times 7^1\times {\mathrm{20959}}^1$

素因数の和:20975

約数の個数: 16

約数和(自身を含む): 6707200

約数和(自身を除く): 2745949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 20959, 62877, 146713, 188631, 440139, 565893, 1320417, 3961251]

約数ペア:

[(1, 3961251), (3, 1320417), (7, 565893), (9, 440139), (21, 188631), (27, 146713), (63, 62877), (189, 20959)]