7874217

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 12789504

約数和(自身を除く): 4915287

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 167, 169, 279, 403, 501, 507, 1209, 1503, 1521, 2171, 3627, 5177, 5239, 6513, 15531, 15717, 19539, 28223, 46593, 47151, 67301, 84669, 201903, 254007, 605709, 874913, 2624739, 7874217]

約数ペア:

[(1, 7874217), (3, 2624739), (9, 874913), (13, 605709), (31, 254007), (39, 201903), (93, 84669), (117, 67301), (167, 47151), (169, 46593), (279, 28223), (403, 19539), (501, 15717), (507, 15531), (1209, 6513), (1503, 5239), (1521, 5177), (2171, 3627)]