320169915

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60811}}^1$

素因数の和:60841

約数の個数: 40

約数和(自身を含む): 618093168

約数和(自身を除く): 297923253

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 60811, 182433, 304055, 547299, 790543, 912165, 1641897, 2371629, 2736495, 3952715, 4925691, 7114887, 8209485, 11858145, 21344661, 24628455, 35574435, 64033983, 106723305, 320169915]

約数ペア:

[(1, 320169915), (3, 106723305), (5, 64033983), (9, 35574435), (13, 24628455), (15, 21344661), (27, 11858145), (39, 8209485), (45, 7114887), (65, 4925691), (81, 3952715), (117, 2736495), (135, 2371629), (195, 1641897), (351, 912165), (405, 790543), (585, 547299), (1053, 304055), (1755, 182433), (5265, 60811)]