12827945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 18973440

約数和(自身を除く): 6145495

約数列:

[1, 5, 13, 17, 19, 47, 65, 85, 95, 169, 221, 235, 247, 323, 611, 799, 845, 893, 1105, 1235, 1615, 2873, 3055, 3211, 3995, 4199, 4465, 7943, 10387, 11609, 14365, 15181, 16055, 20995, 39715, 51935, 54587, 58045, 75905, 135031, 150917, 197353, 272935, 675155, 754585, 986765, 2565589, 12827945]

約数ペア:

[(1, 12827945), (5, 2565589), (13, 986765), (17, 754585), (19, 675155), (47, 272935), (65, 197353), (85, 150917), (95, 135031), (169, 75905), (221, 58045), (235, 54587), (247, 51935), (323, 39715), (611, 20995), (799, 16055), (845, 15181), (893, 14365), (1105, 11609), (1235, 10387), (1615, 7943), (2873, 4465), (3055, 4199), (3211, 3995)]