206574705

素因数分解:

$3^4\times 5^1\times {\mathrm{510061}}^1$

素因数の和:510078

約数の個数: 20

約数和(自身を含む): 370305012

約数和(自身を除く): 163730307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 510061, 1530183, 2550305, 4590549, 7650915, 13771647, 22952745, 41314941, 68858235, 206574705]

約数ペア:

[(1, 206574705), (3, 68858235), (5, 41314941), (9, 22952745), (15, 13771647), (27, 7650915), (45, 4590549), (81, 2550305), (135, 1530183), (405, 510061)]