12315825

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 22284288

約数和(自身を除く): 9968463

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 431, 635, 1143, 1293, 1905, 2155, 3175, 3879, 5715, 6465, 9525, 10775, 19395, 28575, 32325, 54737, 96975, 164211, 273685, 492633, 821055, 1368425, 2463165, 4105275, 12315825]

約数ペア:

[(1, 12315825), (3, 4105275), (5, 2463165), (9, 1368425), (15, 821055), (25, 492633), (45, 273685), (75, 164211), (127, 96975), (225, 54737), (381, 32325), (431, 28575), (635, 19395), (1143, 10775), (1293, 9525), (1905, 6465), (2155, 5715), (3175, 3879)]