2381985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 4228224

約数和(自身を除く): 1846239

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1231, 1935, 3693, 6155, 11079, 18465, 52933, 55395, 158799, 264665, 476397, 793995, 2381985]

約数ペア:

[(1, 2381985), (3, 793995), (5, 476397), (9, 264665), (15, 158799), (43, 55395), (45, 52933), (129, 18465), (215, 11079), (387, 6155), (645, 3693), (1231, 1935)]