207328821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2143}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 335904768

約数和(自身を除く): 128575947

約数列:

[1, 3, 7, 17, 21, 51, 119, 271, 357, 813, 1897, 2143, 4607, 5691, 6429, 13821, 15001, 32249, 36431, 45003, 96747, 109293, 255017, 580753, 765051, 1742259, 4065271, 9872801, 12195813, 29618403, 69109607, 207328821]

約数ペア:

[(1, 207328821), (3, 69109607), (7, 29618403), (17, 12195813), (21, 9872801), (51, 4065271), (119, 1742259), (271, 765051), (357, 580753), (813, 255017), (1897, 109293), (2143, 96747), (4607, 45003), (5691, 36431), (6429, 32249), (13821, 15001)]