78171219

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{10427}}^1$

素因数の和:10464

約数の個数: 36

約数和(自身を含む): 139088664

約数和(自身を除く): 60917445

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 10427, 31281, 72989, 93843, 177259, 218967, 510923, 531777, 656901, 1240813, 1532769, 1595331, 3722439, 4598307, 8685691, 11167317, 26057073, 78171219]

約数ペア:

[(1, 78171219), (3, 26057073), (7, 11167317), (9, 8685691), (17, 4598307), (21, 3722439), (49, 1595331), (51, 1532769), (63, 1240813), (119, 656901), (147, 531777), (153, 510923), (357, 218967), (441, 177259), (833, 93843), (1071, 72989), (2499, 31281), (7497, 10427)]