2011990185

素因数分解:

$3^5\times 5^1\times {\mathrm{1655959}}^1$

素因数の和:1655979

約数の個数: 24

約数和(自身を含む): 3616616640

約数和(自身を除く): 1604626455

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1655959, 4967877, 8279795, 14903631, 24839385, 44710893, 74518155, 134132679, 223554465, 402398037, 670663395, 2011990185]

約数ペア:

[(1, 2011990185), (3, 670663395), (5, 402398037), (9, 223554465), (15, 134132679), (27, 74518155), (45, 44710893), (81, 24839385), (135, 14903631), (243, 8279795), (405, 4967877), (1215, 1655959)]