75973989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 133468160

約数和(自身を除く): 57494171

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 97, 133, 151, 247, 273, 291, 399, 453, 679, 741, 1057, 1261, 1729, 1843, 1963, 2037, 2869, 3171, 3783, 5187, 5529, 5889, 8607, 8827, 12901, 13741, 14647, 20083, 23959, 26481, 37297, 38703, 41223, 43941, 60249, 71877, 102529, 111891, 167713, 190411, 261079, 278293, 307587, 503139, 571233, 783237, 834879, 1332877, 1948051, 3617809, 3998631, 5844153, 10853427, 25324663, 75973989]

約数ペア:

[(1, 75973989), (3, 25324663), (7, 10853427), (13, 5844153), (19, 3998631), (21, 3617809), (39, 1948051), (57, 1332877), (91, 834879), (97, 783237), (133, 571233), (151, 503139), (247, 307587), (273, 278293), (291, 261079), (399, 190411), (453, 167713), (679, 111891), (741, 102529), (1057, 71877), (1261, 60249), (1729, 43941), (1843, 41223), (1963, 38703), (2037, 37297), (2869, 26481), (3171, 23959), (3783, 20083), (5187, 14647), (5529, 13741), (5889, 12901), (8607, 8827)]