3975517

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:185

約数の個数: 18

約数和(自身を含む): 5044158

約数和(自身を除く): 1068641

約数列:

[1, 7, 13, 49, 79, 91, 553, 637, 1027, 3871, 6241, 7189, 43687, 50323, 81133, 305809, 567931, 3975517]

約数ペア:

[(1, 3975517), (7, 567931), (13, 305809), (49, 81133), (79, 50323), (91, 43687), (553, 7189), (637, 6241), (1027, 3871)]