2720745

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 4769856

約数和(自身を除く): 2049111

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 587, 927, 1545, 1761, 2935, 4635, 5283, 8805, 26415, 60461, 181383, 302305, 544149, 906915, 2720745]

約数ペア:

[(1, 2720745), (3, 906915), (5, 544149), (9, 302305), (15, 181383), (45, 60461), (103, 26415), (309, 8805), (515, 5283), (587, 4635), (927, 2935), (1545, 1761)]