1308321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 2275520

約数和(自身を除く): 967199

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1093, 1197, 3279, 7651, 9837, 20767, 22953, 62301, 68859, 145369, 186903, 436107, 1308321]

約数ペア:

[(1, 1308321), (3, 436107), (7, 186903), (9, 145369), (19, 68859), (21, 62301), (57, 22953), (63, 20767), (133, 9837), (171, 7651), (399, 3279), (1093, 1197)]