42017787

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1009}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 69536480

約数和(自身を除く): 27518693

約数列:

[1, 3, 7, 9, 21, 63, 661, 1009, 1983, 3027, 4627, 5949, 7063, 9081, 13881, 21189, 41643, 63567, 666949, 2000847, 4668643, 6002541, 14005929, 42017787]

約数ペア:

[(1, 42017787), (3, 14005929), (7, 6002541), (9, 4668643), (21, 2000847), (63, 666949), (661, 63567), (1009, 41643), (1983, 21189), (3027, 13881), (4627, 9081), (5949, 7063)]