1440558

素因数分解:

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

素因数の和:158

約数の個数: 64

約数和(自身を含む): 3793920

約数和(自身を除く): 2353362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 103, 111, 126, 189, 206, 222, 259, 309, 333, 378, 518, 618, 666, 721, 777, 927, 999, 1442, 1554, 1854, 1998, 2163, 2331, 2781, 3811, 4326, 4662, 5562, 6489, 6993, 7622, 11433, 12978, 13986, 19467, 22866, 26677, 34299, 38934, 53354, 68598, 80031, 102897, 160062, 205794, 240093, 480186, 720279, 1440558]

約数ペア:

[(1, 1440558), (2, 720279), (3, 480186), (6, 240093), (7, 205794), (9, 160062), (14, 102897), (18, 80031), (21, 68598), (27, 53354), (37, 38934), (42, 34299), (54, 26677), (63, 22866), (74, 19467), (103, 13986), (111, 12978), (126, 11433), (189, 7622), (206, 6993), (222, 6489), (259, 5562), (309, 4662), (333, 4326), (378, 3811), (518, 2781), (618, 2331), (666, 2163), (721, 1998), (777, 1854), (927, 1554), (999, 1442)]