31020399

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 47010912

約数和(自身を除く): 15990513

約数列:

[1, 3, 9, 23, 69, 207, 277, 541, 831, 1623, 2493, 4869, 6371, 12443, 19113, 37329, 57339, 111987, 149857, 449571, 1348713, 3446711, 10340133, 31020399]

約数ペア:

[(1, 31020399), (3, 10340133), (9, 3446711), (23, 1348713), (69, 449571), (207, 149857), (277, 111987), (541, 57339), (831, 37329), (1623, 19113), (2493, 12443), (4869, 6371)]