78467571

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13687}}^1$

素因数の和:13720

約数の個数: 36

約数和(自身を含む): 141999312

約数和(自身を除く): 63531741

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 13687, 41061, 95809, 123183, 177931, 287427, 533793, 670663, 862281, 1245517, 1601379, 2011989, 3736551, 6035967, 8718619, 11209653, 26155857, 78467571]

約数ペア:

[(1, 78467571), (3, 26155857), (7, 11209653), (9, 8718619), (13, 6035967), (21, 3736551), (39, 2011989), (49, 1601379), (63, 1245517), (91, 862281), (117, 670663), (147, 533793), (273, 287427), (441, 177931), (637, 123183), (819, 95809), (1911, 41061), (5733, 13687)]