165724223

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{3001}}^1$

素因数の和:3052

約数の個数: 20

約数和(自身を含む): 201806448

約数和(自身を除く): 36082225

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 3001, 7889, 21007, 55223, 69023, 147049, 483161, 1029343, 3382127, 7205401, 23674889, 165724223]

約数ペア:

[(1, 165724223), (7, 23674889), (23, 7205401), (49, 3382127), (161, 1029343), (343, 483161), (1127, 147049), (2401, 69023), (3001, 55223), (7889, 21007)]