1989645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2707}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 3704544

約数和(自身を除く): 1714899

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2707, 8121, 13535, 18949, 40605, 56847, 94745, 132643, 284235, 397929, 663215, 1989645]

約数ペア:

[(1, 1989645), (3, 663215), (5, 397929), (7, 284235), (15, 132643), (21, 94745), (35, 56847), (49, 40605), (105, 18949), (147, 13535), (245, 8121), (735, 2707)]