242556993

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 408170880

約数和(自身を除く): 165613887

約数列:

[1, 3, 7, 9, 21, 63, 137, 157, 179, 411, 471, 537, 959, 1099, 1233, 1253, 1413, 1611, 2877, 3297, 3759, 8631, 9891, 11277, 21509, 24523, 28103, 64527, 73569, 84309, 150563, 171661, 193581, 196721, 220707, 252927, 451689, 514983, 590163, 1355067, 1544949, 1770489, 3850111, 11550333, 26950777, 34650999, 80852331, 242556993]

約数ペア:

[(1, 242556993), (3, 80852331), (7, 34650999), (9, 26950777), (21, 11550333), (63, 3850111), (137, 1770489), (157, 1544949), (179, 1355067), (411, 590163), (471, 514983), (537, 451689), (959, 252927), (1099, 220707), (1233, 196721), (1253, 193581), (1413, 171661), (1611, 150563), (2877, 84309), (3297, 73569), (3759, 64527), (8631, 28103), (9891, 24523), (11277, 21509)]