28993185

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 27026415

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1305, 1709, 1885, 3393, 5127, 5655, 8545, 15381, 16965, 22217, 25635, 49561, 66651, 76905, 111085, 148683, 199953, 247805, 333255, 446049, 644293, 743415, 999765, 1932879, 2230245, 3221465, 5798637, 9664395, 28993185]

約数ペア:

[(1, 28993185), (3, 9664395), (5, 5798637), (9, 3221465), (13, 2230245), (15, 1932879), (29, 999765), (39, 743415), (45, 644293), (65, 446049), (87, 333255), (117, 247805), (145, 199953), (195, 148683), (261, 111085), (377, 76905), (435, 66651), (585, 49561), (1131, 25635), (1305, 22217), (1709, 16965), (1885, 15381), (3393, 8545), (5127, 5655)]