28406553

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16244967

約数列:

[1, 3, 7, 21, 59, 101, 177, 227, 303, 413, 681, 707, 1239, 1589, 2121, 4767, 5959, 13393, 17877, 22927, 40179, 41713, 68781, 93751, 125139, 160489, 281253, 481467, 1352693, 4058079, 9468851, 28406553]

約数ペア:

[(1, 28406553), (3, 9468851), (7, 4058079), (21, 1352693), (59, 481467), (101, 281253), (177, 160489), (227, 125139), (303, 93751), (413, 68781), (681, 41713), (707, 40179), (1239, 22927), (1589, 17877), (2121, 13393), (4767, 5959)]