64851969

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 112394240

約数和(自身を除く): 47542271

約数列:

[1, 3, 7, 13, 21, 31, 39, 79, 91, 93, 97, 217, 237, 273, 291, 403, 553, 651, 679, 1027, 1209, 1261, 1659, 2037, 2449, 2821, 3007, 3081, 3783, 7189, 7347, 7663, 8463, 8827, 9021, 17143, 21049, 21567, 22989, 26481, 31837, 39091, 51429, 53641, 63147, 95511, 99619, 117273, 160923, 222859, 237553, 273637, 298857, 668577, 697333, 712659, 820911, 1662871, 2091999, 3088189, 4988613, 9264567, 21617323, 64851969]

約数ペア:

[(1, 64851969), (3, 21617323), (7, 9264567), (13, 4988613), (21, 3088189), (31, 2091999), (39, 1662871), (79, 820911), (91, 712659), (93, 697333), (97, 668577), (217, 298857), (237, 273637), (273, 237553), (291, 222859), (403, 160923), (553, 117273), (651, 99619), (679, 95511), (1027, 63147), (1209, 53641), (1261, 51429), (1659, 39091), (2037, 31837), (2449, 26481), (2821, 22989), (3007, 21567), (3081, 21049), (3783, 17143), (7189, 9021), (7347, 8827), (7663, 8463)]