61287825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 109368000

約数和(自身を除く): 48080175

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 205, 285, 475, 615, 779, 1025, 1049, 1425, 2337, 3075, 3147, 3895, 5245, 11685, 15735, 19475, 19931, 26225, 43009, 58425, 59793, 78675, 99655, 129027, 215045, 298965, 498275, 645135, 817171, 1075225, 1494825, 2451513, 3225675, 4085855, 12257565, 20429275, 61287825]

約数ペア:

[(1, 61287825), (3, 20429275), (5, 12257565), (15, 4085855), (19, 3225675), (25, 2451513), (41, 1494825), (57, 1075225), (75, 817171), (95, 645135), (123, 498275), (205, 298965), (285, 215045), (475, 129027), (615, 99655), (779, 78675), (1025, 59793), (1049, 58425), (1425, 43009), (2337, 26225), (3075, 19931), (3147, 19475), (3895, 15735), (5245, 11685)]