28937205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 55800576

約数和(自身を除く): 26863371

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 795, 1103, 1749, 2385, 2915, 3309, 5247, 5515, 8745, 9927, 12133, 16545, 26235, 36399, 49635, 58459, 60665, 109197, 175377, 181995, 292295, 526131, 545985, 643049, 876885, 1929147, 2630655, 3215245, 5787441, 9645735, 28937205]

約数ペア:

[(1, 28937205), (3, 9645735), (5, 5787441), (9, 3215245), (11, 2630655), (15, 1929147), (33, 876885), (45, 643049), (53, 545985), (55, 526131), (99, 292295), (159, 181995), (165, 175377), (265, 109197), (477, 60665), (495, 58459), (583, 49635), (795, 36399), (1103, 26235), (1749, 16545), (2385, 12133), (2915, 9927), (3309, 8745), (5247, 5515)]