15771495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 26984448

約数和(自身を除く): 11212953

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 487, 635, 1461, 1905, 2159, 2435, 6477, 7305, 8279, 10795, 24837, 32385, 41395, 61849, 124185, 185547, 309245, 927735, 1051433, 3154299, 5257165, 15771495]

約数ペア:

[(1, 15771495), (3, 5257165), (5, 3154299), (15, 1051433), (17, 927735), (51, 309245), (85, 185547), (127, 124185), (255, 61849), (381, 41395), (487, 32385), (635, 24837), (1461, 10795), (1905, 8279), (2159, 7305), (2435, 6477)]