25311735

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 45686784

約数和(自身を除く): 20375049

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 127, 129, 215, 309, 381, 387, 515, 635, 645, 927, 1143, 1545, 1905, 1935, 4429, 4635, 5461, 5715, 13081, 13287, 16383, 22145, 27305, 39243, 39861, 49149, 65405, 66435, 81915, 117729, 196215, 199305, 245745, 562483, 588645, 1687449, 2812415, 5062347, 8437245, 25311735]

約数ペア:

[(1, 25311735), (3, 8437245), (5, 5062347), (9, 2812415), (15, 1687449), (43, 588645), (45, 562483), (103, 245745), (127, 199305), (129, 196215), (215, 117729), (309, 81915), (381, 66435), (387, 65405), (515, 49149), (635, 39861), (645, 39243), (927, 27305), (1143, 22145), (1545, 16383), (1905, 13287), (1935, 13081), (4429, 5715), (4635, 5461)]