2760885

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 5253336

約数和(自身を除く): 2492451

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 401, 405, 459, 765, 1203, 1377, 2005, 2295, 3609, 6015, 6817, 6885, 10827, 18045, 20451, 32481, 34085, 54135, 61353, 102255, 162405, 184059, 306765, 552177, 920295, 2760885]

約数ペア:

[(1, 2760885), (3, 920295), (5, 552177), (9, 306765), (15, 184059), (17, 162405), (27, 102255), (45, 61353), (51, 54135), (81, 34085), (85, 32481), (135, 20451), (153, 18045), (255, 10827), (401, 6885), (405, 6817), (459, 6015), (765, 3609), (1203, 2295), (1377, 2005)]