16861851

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2440

約数の個数: 20

約数和(自身を含む): 25482600

約数和(自身を除く): 8620749

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2339, 2403, 7017, 7209, 21051, 63153, 189459, 208171, 624513, 1873539, 5620617, 16861851]

約数ペア:

[(1, 16861851), (3, 5620617), (9, 1873539), (27, 624513), (81, 208171), (89, 189459), (267, 63153), (801, 21051), (2339, 7209), (2403, 7017)]