28607715

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2381}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 51451200

約数和(自身を除く): 22843485

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2381, 2403, 4005, 7143, 11905, 12015, 21429, 35715, 64287, 107145, 211909, 321435, 635727, 1059545, 1907181, 3178635, 5721543, 9535905, 28607715]

約数ペア:

[(1, 28607715), (3, 9535905), (5, 5721543), (9, 3178635), (15, 1907181), (27, 1059545), (45, 635727), (89, 321435), (135, 211909), (267, 107145), (445, 64287), (801, 35715), (1335, 21429), (2381, 12015), (2403, 11905), (4005, 7143)]