28498005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33331}}^1$

素因数の和:33361

約数の個数: 24

約数和(自身を含む): 51997920

約数和(自身を除く): 23499915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 33331, 99993, 166655, 299979, 499965, 633289, 1499895, 1899867, 3166445, 5699601, 9499335, 28498005]

約数ペア:

[(1, 28498005), (3, 9499335), (5, 5699601), (9, 3166445), (15, 1899867), (19, 1499895), (45, 633289), (57, 499965), (95, 299979), (171, 166655), (285, 99993), (855, 33331)]