75728289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6451}}^1$

素因数の和:6517

約数の個数: 32

約数和(自身を含む): 127181824

約数和(自身を除く): 51453535

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 6451, 11739, 19353, 45157, 83863, 135471, 251589, 277393, 587041, 832179, 1761123, 1941751, 3606109, 5825253, 10818327, 25242763, 75728289]

約数ペア:

[(1, 75728289), (3, 25242763), (7, 10818327), (13, 5825253), (21, 3606109), (39, 1941751), (43, 1761123), (91, 832179), (129, 587041), (273, 277393), (301, 251589), (559, 135471), (903, 83863), (1677, 45157), (3913, 19353), (6451, 11739)]