30986703

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20905137

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 129, 251, 261, 319, 387, 473, 753, 957, 1247, 1419, 2259, 2761, 2871, 3741, 4257, 7279, 8283, 10793, 11223, 13717, 21837, 24849, 32379, 41151, 65511, 80069, 97137, 118723, 123453, 240207, 312997, 356169, 720621, 938991, 1068507, 2816973, 3442967, 10328901, 30986703]

約数ペア:

[(1, 30986703), (3, 10328901), (9, 3442967), (11, 2816973), (29, 1068507), (33, 938991), (43, 720621), (87, 356169), (99, 312997), (129, 240207), (251, 123453), (261, 118723), (319, 97137), (387, 80069), (473, 65511), (753, 41151), (957, 32379), (1247, 24849), (1419, 21837), (2259, 13717), (2761, 11223), (2871, 10793), (3741, 8283), (4257, 7279)]