28664505

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1451}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 49832640

約数和(自身を除く): 21168135

約数列:

[1, 3, 5, 9, 15, 45, 439, 1317, 1451, 2195, 3951, 4353, 6585, 7255, 13059, 19755, 21765, 65295, 636989, 1910967, 3184945, 5732901, 9554835, 28664505]

約数ペア:

[(1, 28664505), (3, 9554835), (5, 5732901), (9, 3184945), (15, 1910967), (45, 636989), (439, 65295), (1317, 21765), (1451, 19755), (2195, 13059), (3951, 7255), (4353, 6585)]