90245259

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{85703}}^1$

素因数の和:85728

約数の個数: 20

約数和(自身を含む): 145182576

約数和(自身を除く): 54937317

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 85703, 257109, 771327, 1114139, 2313981, 3342417, 6941943, 10027251, 30081753, 90245259]

約数ペア:

[(1, 90245259), (3, 30081753), (9, 10027251), (13, 6941943), (27, 3342417), (39, 2313981), (81, 1114139), (117, 771327), (351, 257109), (1053, 85703)]