28421445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6337}}^1$

素因数の和:6381

約数の個数: 32

約数和(自身を含む): 51109632

約数和(自身を除く): 22688187

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6337, 19011, 31685, 82381, 95055, 145751, 247143, 411905, 437253, 728755, 1235715, 1894763, 2186265, 5684289, 9473815, 28421445]

約数ペア:

[(1, 28421445), (3, 9473815), (5, 5684289), (13, 2186265), (15, 1894763), (23, 1235715), (39, 728755), (65, 437253), (69, 411905), (115, 247143), (195, 145751), (299, 95055), (345, 82381), (897, 31685), (1495, 19011), (4485, 6337)]