392343

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 648432

約数和(自身を除く): 256089

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 157, 357, 471, 833, 1099, 2499, 2669, 3297, 7693, 8007, 18683, 23079, 56049, 130781, 392343]

約数ペア:

[(1, 392343), (3, 130781), (7, 56049), (17, 23079), (21, 18683), (49, 8007), (51, 7693), (119, 3297), (147, 2669), (157, 2499), (357, 1099), (471, 833)]