1247897847

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{126703}}^1$

素因数の和:126787

約数の個数: 24

約数和(自身を含む): 1964418816

約数和(自身を除く): 716520969

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3283, 9849, 126703, 380109, 886921, 2660763, 6208447, 8489101, 18625341, 25467303, 59423707, 178271121, 415965949, 1247897847]

約数ペア:

[(1, 1247897847), (3, 415965949), (7, 178271121), (21, 59423707), (49, 25467303), (67, 18625341), (147, 8489101), (201, 6208447), (469, 2660763), (1407, 886921), (3283, 380109), (9849, 126703)]