64143915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 114912000

約数和(自身を除く): 50768085

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 121, 165, 177, 295, 363, 599, 605, 649, 885, 1797, 1815, 1947, 2995, 3245, 6589, 7139, 8985, 9735, 19767, 21417, 32945, 35341, 35695, 72479, 98835, 106023, 107085, 176705, 217437, 362395, 388751, 530115, 1087185, 1166253, 1943755, 4276261, 5831265, 12828783, 21381305, 64143915]

約数ペア:

[(1, 64143915), (3, 21381305), (5, 12828783), (11, 5831265), (15, 4276261), (33, 1943755), (55, 1166253), (59, 1087185), (121, 530115), (165, 388751), (177, 362395), (295, 217437), (363, 176705), (599, 107085), (605, 106023), (649, 98835), (885, 72479), (1797, 35695), (1815, 35341), (1947, 32945), (2995, 21417), (3245, 19767), (6589, 9735), (7139, 8985)]