395050047

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19949}}^1$

素因数の和:20023

約数の個数: 32

約数和(自身を含む): 643507200

約数和(自身を除く): 248457153

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 19803, 19949, 59847, 139643, 418929, 458827, 817909, 1376481, 2453727, 3211789, 5725363, 9635367, 17176089, 18811907, 56435721, 131683349, 395050047]

約数ペア:

[(1, 395050047), (3, 131683349), (7, 56435721), (21, 18811907), (23, 17176089), (41, 9635367), (69, 5725363), (123, 3211789), (161, 2453727), (287, 1376481), (483, 817909), (861, 458827), (943, 418929), (2829, 139643), (6601, 59847), (19803, 19949)]