7890129

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 13009920

約数和(自身を除く): 5119791

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 127, 177, 351, 381, 531, 767, 1053, 1143, 1593, 1651, 2301, 3429, 4779, 4953, 6903, 7493, 10287, 14859, 20709, 22479, 44577, 62127, 67437, 97409, 133731, 202311, 292227, 606933, 876681, 2630043, 7890129]

約数ペア:

[(1, 7890129), (3, 2630043), (9, 876681), (13, 606933), (27, 292227), (39, 202311), (59, 133731), (81, 97409), (117, 67437), (127, 62127), (177, 44577), (351, 22479), (381, 20709), (531, 14859), (767, 10287), (1053, 7493), (1143, 6903), (1593, 4953), (1651, 4779), (2301, 3429)]