249969465

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 444854592

約数和(自身を除く): 194885127

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 163, 265, 477, 489, 643, 795, 815, 1467, 1929, 2385, 2445, 3215, 5787, 7335, 8639, 9645, 25917, 28935, 34079, 43195, 77751, 102237, 104809, 129585, 170395, 306711, 314427, 388755, 511185, 524045, 943281, 1533555, 1572135, 4716405, 5554877, 16664631, 27774385, 49993893, 83323155, 249969465]

約数ペア:

[(1, 249969465), (3, 83323155), (5, 49993893), (9, 27774385), (15, 16664631), (45, 5554877), (53, 4716405), (159, 1572135), (163, 1533555), (265, 943281), (477, 524045), (489, 511185), (643, 388755), (795, 314427), (815, 306711), (1467, 170395), (1929, 129585), (2385, 104809), (2445, 102237), (3215, 77751), (5787, 43195), (7335, 34079), (8639, 28935), (9645, 25917)]