42894579

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 71414784

約数和(自身を除く): 28520205

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2213, 2769, 6461, 6639, 15491, 19383, 28769, 46473, 86307, 157123, 201383, 471369, 604149, 1099861, 2042599, 3299583, 6127797, 14298193, 42894579]

約数ペア:

[(1, 42894579), (3, 14298193), (7, 6127797), (13, 3299583), (21, 2042599), (39, 1099861), (71, 604149), (91, 471369), (213, 201383), (273, 157123), (497, 86307), (923, 46473), (1491, 28769), (2213, 19383), (2769, 15491), (6461, 6639)]