7644147

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 11970000

約数和(自身を除く): 4325853

約数列:

[1, 3, 7, 21, 49, 147, 149, 349, 447, 1043, 1047, 2443, 3129, 7301, 7329, 17101, 21903, 51303, 52001, 156003, 364007, 1092021, 2548049, 7644147]

約数ペア:

[(1, 7644147), (3, 2548049), (7, 1092021), (21, 364007), (49, 156003), (147, 52001), (149, 51303), (349, 21903), (447, 17101), (1043, 7329), (1047, 7301), (2443, 3129)]