28661769

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3307}}^1$

素因数の和:3426

約数の個数: 20

約数和(自身を含む): 43228944

約数和(自身を除く): 14567175

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3307, 8667, 9921, 29763, 89289, 267867, 353849, 1061547, 3184641, 9553923, 28661769]

約数ペア:

[(1, 28661769), (3, 9553923), (9, 3184641), (27, 1061547), (81, 353849), (107, 267867), (321, 89289), (963, 29763), (2889, 9921), (3307, 8667)]