2017728225

素因数分解:

$3^4\times 5^2\times {\mathrm{996409}}^1$

素因数の和:996431

約数の個数: 30

約数和(自身を含む): 3737533910

約数和(自身を除く): 1719805685

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 996409, 2989227, 4982045, 8967681, 14946135, 24910225, 26903043, 44838405, 74730675, 80709129, 134515215, 224192025, 403545645, 672576075, 2017728225]

約数ペア:

[(1, 2017728225), (3, 672576075), (5, 403545645), (9, 224192025), (15, 134515215), (25, 80709129), (27, 74730675), (45, 44838405), (75, 26903043), (81, 24910225), (135, 14946135), (225, 8967681), (405, 4982045), (675, 2989227), (2025, 996409)]