28412205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 46891008

約数和(自身を除く): 18478803

約数列:

[1, 3, 5, 15, 47, 141, 191, 211, 235, 573, 633, 705, 955, 1055, 2865, 3165, 8977, 9917, 26931, 29751, 40301, 44885, 49585, 120903, 134655, 148755, 201505, 604515, 1894147, 5682441, 9470735, 28412205]

約数ペア:

[(1, 28412205), (3, 9470735), (5, 5682441), (15, 1894147), (47, 604515), (141, 201505), (191, 148755), (211, 134655), (235, 120903), (573, 49585), (633, 44885), (705, 40301), (955, 29751), (1055, 26931), (2865, 9917), (3165, 8977)]