378889119

素因数分解:

$3^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 643552000

約数和(自身を除く): 264662881

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 343, 417, 441, 883, 973, 1029, 1251, 2649, 2919, 3087, 6181, 6811, 7947, 8757, 18543, 20433, 43267, 47677, 55629, 61299, 122737, 129801, 143031, 302869, 368211, 389403, 429093, 859159, 908607, 1104633, 2577477, 2725821, 6014113, 7732431, 18042339, 42098791, 54127017, 126296373, 378889119]

約数ペア:

[(1, 378889119), (3, 126296373), (7, 54127017), (9, 42098791), (21, 18042339), (49, 7732431), (63, 6014113), (139, 2725821), (147, 2577477), (343, 1104633), (417, 908607), (441, 859159), (883, 429093), (973, 389403), (1029, 368211), (1251, 302869), (2649, 143031), (2919, 129801), (3087, 122737), (6181, 61299), (6811, 55629), (7947, 47677), (8757, 43267), (18543, 20433)]