31198185

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 56070144

約数和(自身を除く): 24871959

約数列:

[1, 3, 5, 9, 15, 45, 53, 103, 127, 159, 265, 309, 381, 477, 515, 635, 795, 927, 1143, 1545, 1905, 2385, 4635, 5459, 5715, 6731, 13081, 16377, 20193, 27295, 33655, 39243, 49131, 60579, 65405, 81885, 100965, 117729, 196215, 245655, 302895, 588645, 693293, 2079879, 3466465, 6239637, 10399395, 31198185]

約数ペア:

[(1, 31198185), (3, 10399395), (5, 6239637), (9, 3466465), (15, 2079879), (45, 693293), (53, 588645), (103, 302895), (127, 245655), (159, 196215), (265, 117729), (309, 100965), (381, 81885), (477, 65405), (515, 60579), (635, 49131), (795, 39243), (927, 33655), (1143, 27295), (1545, 20193), (1905, 16377), (2385, 13081), (4635, 6731), (5459, 5715)]