63981495

素因数分解:

$3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 115346880

約数和(自身を除く): 51365385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 239, 405, 661, 717, 1195, 1983, 2151, 3305, 3585, 5949, 6453, 9915, 10755, 17847, 19359, 29745, 32265, 53541, 89235, 96795, 157979, 267705, 473937, 789895, 1421811, 2369685, 4265433, 7109055, 12796299, 21327165, 63981495]

約数ペア:

[(1, 63981495), (3, 21327165), (5, 12796299), (9, 7109055), (15, 4265433), (27, 2369685), (45, 1421811), (81, 789895), (135, 473937), (239, 267705), (405, 157979), (661, 96795), (717, 89235), (1195, 53541), (1983, 32265), (2151, 29745), (3305, 19359), (3585, 17847), (5949, 10755), (6453, 9915)]