2080778475

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{122219}}^1$

素因数の和:122459

約数の個数: 24

約数和(自身を含む): 3455403840

約数和(自身を除く): 1374625365

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 1135, 3405, 5675, 17025, 122219, 366657, 611095, 1833285, 3055475, 9166425, 27743713, 83231139, 138718565, 416155695, 693592825, 2080778475]

約数ペア:

[(1, 2080778475), (3, 693592825), (5, 416155695), (15, 138718565), (25, 83231139), (75, 27743713), (227, 9166425), (681, 3055475), (1135, 1833285), (3405, 611095), (5675, 366657), (17025, 122219)]