81279873

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 129392640

約数和(自身を除く): 48112767

約数列:

[1, 3, 9, 17, 47, 51, 89, 127, 141, 153, 267, 381, 423, 799, 801, 1143, 1513, 2159, 2397, 4183, 4539, 5969, 6477, 7191, 11303, 12549, 13617, 17907, 19431, 33909, 37647, 53721, 71111, 101473, 101727, 192151, 213333, 304419, 531241, 576453, 639999, 913257, 1593723, 1729359, 4781169, 9031097, 27093291, 81279873]

約数ペア:

[(1, 81279873), (3, 27093291), (9, 9031097), (17, 4781169), (47, 1729359), (51, 1593723), (89, 913257), (127, 639999), (141, 576453), (153, 531241), (267, 304419), (381, 213333), (423, 192151), (799, 101727), (801, 101473), (1143, 71111), (1513, 53721), (2159, 37647), (2397, 33909), (4183, 19431), (4539, 17907), (5969, 13617), (6477, 12549), (7191, 11303)]