40020045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15787}}^1$

素因数の和:15821

約数の個数: 24

約数和(自身を含む): 69340896

約数和(自身を除く): 29320851

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 15787, 47361, 78935, 205231, 236805, 615693, 1026155, 2668003, 3078465, 8004009, 13340015, 40020045]

約数ペア:

[(1, 40020045), (3, 13340015), (5, 8004009), (13, 3078465), (15, 2668003), (39, 1026155), (65, 615693), (169, 236805), (195, 205231), (507, 78935), (845, 47361), (2535, 15787)]