26800245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 50190192

約数和(自身を除く): 23389947

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 661, 765, 795, 901, 1983, 2385, 2703, 3305, 4505, 5949, 8109, 9915, 11237, 13515, 29745, 33711, 35033, 40545, 56185, 101133, 105099, 168555, 175165, 315297, 505665, 525495, 595561, 1576485, 1786683, 2977805, 5360049, 8933415, 26800245]

約数ペア:

[(1, 26800245), (3, 8933415), (5, 5360049), (9, 2977805), (15, 1786683), (17, 1576485), (45, 595561), (51, 525495), (53, 505665), (85, 315297), (153, 175165), (159, 168555), (255, 105099), (265, 101133), (477, 56185), (661, 40545), (765, 35033), (795, 33711), (901, 29745), (1983, 13515), (2385, 11237), (2703, 9915), (3305, 8109), (4505, 5949)]