208767537

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5515

約数の個数: 40

約数和(自身を含む): 348189600

約数和(自身を除く): 139422063

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 891, 1161, 1419, 3483, 4257, 5449, 12771, 16347, 38313, 49041, 59939, 147123, 179817, 234307, 441369, 539451, 702921, 1618353, 2108763, 2577377, 4855059, 6326289, 7732131, 18978867, 23196393, 69589179, 208767537]

約数ペア:

[(1, 208767537), (3, 69589179), (9, 23196393), (11, 18978867), (27, 7732131), (33, 6326289), (43, 4855059), (81, 2577377), (99, 2108763), (129, 1618353), (297, 702921), (387, 539451), (473, 441369), (891, 234307), (1161, 179817), (1419, 147123), (3483, 59939), (4257, 49041), (5449, 38313), (12771, 16347)]