340202385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1109}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 626492880

約数和(自身を除く): 286290495

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 401, 765, 1109, 1203, 2005, 3327, 3609, 5545, 6015, 6817, 9981, 16635, 18045, 18853, 20451, 34085, 49905, 56559, 61353, 94265, 102255, 169677, 282795, 306765, 444709, 848385, 1334127, 2223545, 4002381, 6670635, 7560053, 20011905, 22680159, 37800265, 68040477, 113400795, 340202385]

約数ペア:

[(1, 340202385), (3, 113400795), (5, 68040477), (9, 37800265), (15, 22680159), (17, 20011905), (45, 7560053), (51, 6670635), (85, 4002381), (153, 2223545), (255, 1334127), (401, 848385), (765, 444709), (1109, 306765), (1203, 282795), (2005, 169677), (3327, 102255), (3609, 94265), (5545, 61353), (6015, 56559), (6817, 49905), (9981, 34085), (16635, 20451), (18045, 18853)]