66878273

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3433}}^1$

素因数の和:3485

約数の個数: 24

約数和(自身を含む): 87690624

約数和(自身を除く): 20812351

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 3433, 19481, 24031, 37763, 78959, 264341, 415393, 552713, 868549, 2907751, 6079843, 9554039, 66878273]

約数ペア:

[(1, 66878273), (7, 9554039), (11, 6079843), (23, 2907751), (77, 868549), (121, 552713), (161, 415393), (253, 264341), (847, 78959), (1771, 37763), (2783, 24031), (3433, 19481)]