8121075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 14582400

約数和(自身を除く): 6461325

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 139, 205, 285, 417, 475, 615, 695, 779, 1025, 1425, 2085, 2337, 2641, 3075, 3475, 3895, 5699, 7923, 10425, 11685, 13205, 17097, 19475, 28495, 39615, 58425, 66025, 85485, 108281, 142475, 198075, 324843, 427425, 541405, 1624215, 2707025, 8121075]

約数ペア:

[(1, 8121075), (3, 2707025), (5, 1624215), (15, 541405), (19, 427425), (25, 324843), (41, 198075), (57, 142475), (75, 108281), (95, 85485), (123, 66025), (139, 58425), (205, 39615), (285, 28495), (417, 19475), (475, 17097), (615, 13205), (695, 11685), (779, 10425), (1025, 7923), (1425, 5699), (2085, 3895), (2337, 3475), (2641, 3075)]