3121209

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5754112

約数和(自身を除く): 2632903

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 103, 111, 117, 259, 273, 309, 333, 481, 721, 777, 819, 927, 1339, 1443, 2163, 2331, 3367, 3811, 4017, 4329, 6489, 9373, 10101, 11433, 12051, 26677, 28119, 30303, 34299, 49543, 80031, 84357, 148629, 240093, 346801, 445887, 1040403, 3121209]

約数ペア:

[(1, 3121209), (3, 1040403), (7, 445887), (9, 346801), (13, 240093), (21, 148629), (37, 84357), (39, 80031), (63, 49543), (91, 34299), (103, 30303), (111, 28119), (117, 26677), (259, 12051), (273, 11433), (309, 10101), (333, 9373), (481, 6489), (721, 4329), (777, 4017), (819, 3811), (927, 3367), (1339, 2331), (1443, 2163)]