12821235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 24468480

約数和(自身を除く): 11647245

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 5309, 15927, 26545, 37163, 79635, 111489, 122107, 185815, 366321, 557445, 610535, 854749, 1831605, 2564247, 4273745, 12821235]

約数ペア:

[(1, 12821235), (3, 4273745), (5, 2564247), (7, 1831605), (15, 854749), (21, 610535), (23, 557445), (35, 366321), (69, 185815), (105, 122107), (115, 111489), (161, 79635), (345, 37163), (483, 26545), (805, 15927), (2415, 5309)]