206887185

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 382247424

約数和(自身を除く): 175360239

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 705, 1035, 1081, 2115, 3243, 4253, 5405, 9729, 12759, 16215, 21265, 38277, 48645, 63795, 97819, 191385, 199891, 293457, 489095, 599673, 880371, 999455, 1467285, 1799019, 2998365, 4401855, 4597493, 8995095, 13792479, 22987465, 41377437, 68962395, 206887185]

約数ペア:

[(1, 206887185), (3, 68962395), (5, 41377437), (9, 22987465), (15, 13792479), (23, 8995095), (45, 4597493), (47, 4401855), (69, 2998365), (115, 1799019), (141, 1467285), (207, 999455), (235, 880371), (345, 599673), (423, 489095), (705, 293457), (1035, 199891), (1081, 191385), (2115, 97819), (3243, 63795), (4253, 48645), (5405, 38277), (9729, 21265), (12759, 16215)]