520016913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193243}}^1$

素因数の和:193285

約数の個数: 24

約数和(自身を含む): 844089792

約数和(自身を除く): 324072879

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 193243, 579729, 1739187, 2512159, 4444589, 7536477, 13333767, 22609431, 40001301, 57779657, 173338971, 520016913]

約数ペア:

[(1, 520016913), (3, 173338971), (9, 57779657), (13, 40001301), (23, 22609431), (39, 13333767), (69, 7536477), (117, 4444589), (207, 2512159), (299, 1739187), (897, 579729), (2691, 193243)]