40640895

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5981}}^1$

素因数の和:6143

約数の個数: 24

約数和(自身を含む): 70922592

約数和(自身を除く): 30281697

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 5981, 6795, 17943, 29905, 53829, 89715, 269145, 903131, 2709393, 4515655, 8128179, 13546965, 40640895]

約数ペア:

[(1, 40640895), (3, 13546965), (5, 8128179), (9, 4515655), (15, 2709393), (45, 903131), (151, 269145), (453, 89715), (755, 53829), (1359, 29905), (2265, 17943), (5981, 6795)]