28727955

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8081}}^1$

素因数の和:8171

約数の個数: 24

約数和(自身を含む): 50431680

約数和(自身を除く): 21703725

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 8081, 24243, 40405, 72729, 121215, 363645, 638399, 1915197, 3191995, 5745591, 9575985, 28727955]

約数ペア:

[(1, 28727955), (3, 9575985), (5, 5745591), (9, 3191995), (15, 1915197), (45, 638399), (79, 363645), (237, 121215), (395, 72729), (711, 40405), (1185, 24243), (3555, 8081)]