78740109

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 138528000

約数和(自身を除く): 59787891

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1109, 1127, 1449, 3087, 3327, 3381, 7763, 7889, 9981, 10143, 23289, 23667, 25507, 54341, 69867, 71001, 76521, 163023, 178549, 229563, 380387, 489069, 535647, 1141161, 1249843, 1606941, 3423483, 3749529, 8748901, 11248587, 26246703, 78740109]

約数ペア:

[(1, 78740109), (3, 26246703), (7, 11248587), (9, 8748901), (21, 3749529), (23, 3423483), (49, 1606941), (63, 1249843), (69, 1141161), (147, 535647), (161, 489069), (207, 380387), (343, 229563), (441, 178549), (483, 163023), (1029, 76521), (1109, 71001), (1127, 69867), (1449, 54341), (3087, 25507), (3327, 23667), (3381, 23289), (7763, 10143), (7889, 9981)]