12821055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 22701504

約数和(自身を除く): 9880449

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 1777, 2405, 5331, 7215, 8885, 23101, 26655, 65749, 69303, 115505, 197247, 328745, 346515, 854737, 986235, 2564211, 4273685, 12821055]

約数ペア:

[(1, 12821055), (3, 4273685), (5, 2564211), (13, 986235), (15, 854737), (37, 346515), (39, 328745), (65, 197247), (111, 115505), (185, 69303), (195, 65749), (481, 26655), (555, 23101), (1443, 8885), (1777, 7215), (2405, 5331)]