31334211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 51517440

約数和(自身を除く): 20183229

約数列:

[1, 3, 9, 19, 23, 31, 57, 69, 93, 171, 207, 257, 279, 437, 589, 713, 771, 1311, 1767, 2139, 2313, 3933, 4883, 5301, 5911, 6417, 7967, 13547, 14649, 17733, 23901, 40641, 43947, 53199, 71703, 112309, 121923, 151373, 183241, 336927, 454119, 549723, 1010781, 1362357, 1649169, 3481579, 10444737, 31334211]

約数ペア:

[(1, 31334211), (3, 10444737), (9, 3481579), (19, 1649169), (23, 1362357), (31, 1010781), (57, 549723), (69, 454119), (93, 336927), (171, 183241), (207, 151373), (257, 121923), (279, 112309), (437, 71703), (589, 53199), (713, 43947), (771, 40641), (1311, 23901), (1767, 17733), (2139, 14649), (2313, 13547), (3933, 7967), (4883, 6417), (5301, 5911)]