148974471

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{3221}}^1$

素因数の和:3804

約数の個数: 20

約数和(自身を含む): 223001064

約数和(自身を除く): 74026593

約数列:

[1, 3, 9, 27, 81, 571, 1713, 3221, 5139, 9663, 15417, 28989, 46251, 86967, 260901, 1839191, 5517573, 16552719, 49658157, 148974471]

約数ペア:

[(1, 148974471), (3, 49658157), (9, 16552719), (27, 5517573), (81, 1839191), (571, 260901), (1713, 86967), (3221, 46251), (5139, 28989), (9663, 15417)]