28300155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8537}}^1$

素因数の和:8575

約数の個数: 32

約数和(自身を含む): 51637824

約数和(自身を除く): 23337669

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8537, 25611, 42685, 110981, 128055, 145129, 332943, 435387, 554905, 725645, 1664715, 1886677, 2176935, 5660031, 9433385, 28300155]

約数ペア:

[(1, 28300155), (3, 9433385), (5, 5660031), (13, 2176935), (15, 1886677), (17, 1664715), (39, 725645), (51, 554905), (65, 435387), (85, 332943), (195, 145129), (221, 128055), (255, 110981), (663, 42685), (1105, 25611), (3315, 8537)]