212737545

素因数分解:

$3^2\times 5^1\times {\mathrm{4727501}}^1$

素因数の和:4727512

約数の個数: 12

約数和(自身を含む): 368745156

約数和(自身を除く): 156007611

約数列:

[1, 3, 5, 9, 15, 45, 4727501, 14182503, 23637505, 42547509, 70912515, 212737545]

約数ペア:

[(1, 212737545), (3, 70912515), (5, 42547509), (9, 23637505), (15, 14182503), (45, 4727501)]