81874751

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1229}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 96983040

約数和(自身を除く): 15108289

約数列:

[1, 7, 31, 217, 307, 1229, 2149, 8603, 9517, 38099, 66619, 266693, 377303, 2641121, 11696393, 81874751]

約数ペア:

[(1, 81874751), (7, 11696393), (31, 2641121), (217, 377303), (307, 266693), (1229, 66619), (2149, 38099), (8603, 9517)]