28740081

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{4987}}^1$

素因数の和:5120

約数の個数: 16

約数和(自身を含む): 40941504

約数和(自身を除く): 12201423

約数列:

[1, 3, 17, 51, 113, 339, 1921, 4987, 5763, 14961, 84779, 254337, 563531, 1690593, 9580027, 28740081]

約数ペア:

[(1, 28740081), (3, 9580027), (17, 1690593), (51, 563531), (113, 254337), (339, 84779), (1921, 14961), (4987, 5763)]