40647765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{159403}}^1$

素因数の和:159428

約数の個数: 16

約数和(自身を含む): 68862528

約数和(自身を除く): 28214763

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 159403, 478209, 797015, 2391045, 2709851, 8129553, 13549255, 40647765]

約数ペア:

[(1, 40647765), (3, 13549255), (5, 8129553), (15, 2709851), (17, 2391045), (51, 797015), (85, 478209), (255, 159403)]