28475889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 43653120

約数和(自身を除く): 15177231

約数列:

[1, 3, 13, 19, 39, 57, 83, 247, 249, 463, 741, 1079, 1389, 1577, 3237, 4731, 6019, 8797, 18057, 20501, 26391, 38429, 61503, 114361, 115287, 343083, 499577, 730151, 1498731, 2190453, 9491963, 28475889]

約数ペア:

[(1, 28475889), (3, 9491963), (13, 2190453), (19, 1498731), (39, 730151), (57, 499577), (83, 343083), (247, 115287), (249, 114361), (463, 61503), (741, 38429), (1079, 26391), (1389, 20501), (1577, 18057), (3237, 8797), (4731, 6019)]