129306723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 226544640

約数和(自身を除く): 97237917

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 97, 133, 247, 257, 273, 291, 399, 679, 741, 771, 1261, 1729, 1799, 1843, 2037, 3341, 3783, 4883, 5187, 5397, 5529, 8827, 10023, 12901, 14649, 23387, 23959, 24929, 26481, 34181, 38703, 63479, 70161, 71877, 74787, 102543, 167713, 174503, 190437, 324077, 444353, 473651, 503139, 523509, 972231, 1333059, 1420953, 2268539, 3315557, 6157463, 6805617, 9946671, 18472389, 43102241, 129306723]

約数ペア:

[(1, 129306723), (3, 43102241), (7, 18472389), (13, 9946671), (19, 6805617), (21, 6157463), (39, 3315557), (57, 2268539), (91, 1420953), (97, 1333059), (133, 972231), (247, 523509), (257, 503139), (273, 473651), (291, 444353), (399, 324077), (679, 190437), (741, 174503), (771, 167713), (1261, 102543), (1729, 74787), (1799, 71877), (1843, 70161), (2037, 63479), (3341, 38703), (3783, 34181), (4883, 26481), (5187, 24929), (5397, 23959), (5529, 23387), (8827, 14649), (10023, 12901)]