26966121

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 45811584

約数和(自身を除く): 18845463

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 103, 137, 147, 273, 309, 411, 637, 721, 959, 1339, 1781, 1911, 2163, 2877, 4017, 5047, 5343, 6713, 9373, 12467, 14111, 15141, 20139, 28119, 37401, 42333, 65611, 87269, 98777, 183443, 196833, 261807, 296331, 550329, 691439, 1284101, 2074317, 3852303, 8988707, 26966121]

約数ペア:

[(1, 26966121), (3, 8988707), (7, 3852303), (13, 2074317), (21, 1284101), (39, 691439), (49, 550329), (91, 296331), (103, 261807), (137, 196833), (147, 183443), (273, 98777), (309, 87269), (411, 65611), (637, 42333), (721, 37401), (959, 28119), (1339, 20139), (1781, 15141), (1911, 14111), (2163, 12467), (2877, 9373), (4017, 6713), (5047, 5343)]