12218121

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 20386080

約数和(自身を除く): 8167959

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 467, 513, 969, 1377, 1401, 1539, 2907, 4203, 7939, 8721, 8873, 12609, 23817, 26163, 26619, 37827, 71451, 79857, 150841, 214353, 239571, 452523, 643059, 718713, 1357569, 4072707, 12218121]

約数ペア:

[(1, 12218121), (3, 4072707), (9, 1357569), (17, 718713), (19, 643059), (27, 452523), (51, 239571), (57, 214353), (81, 150841), (153, 79857), (171, 71451), (323, 37827), (459, 26619), (467, 26163), (513, 23817), (969, 12609), (1377, 8873), (1401, 8721), (1539, 7939), (2907, 4203)]