13211805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 22581504

約数和(自身を除く): 9369699

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 263, 591, 789, 985, 1315, 2955, 3349, 3945, 4471, 10047, 13413, 16745, 22355, 50235, 51811, 67065, 155433, 259055, 777165, 880787, 2642361, 4403935, 13211805]

約数ペア:

[(1, 13211805), (3, 4403935), (5, 2642361), (15, 880787), (17, 777165), (51, 259055), (85, 155433), (197, 67065), (255, 51811), (263, 50235), (591, 22355), (789, 16745), (985, 13413), (1315, 10047), (2955, 4471), (3349, 3945)]