9090725

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 13506948

約数和(自身を除く): 4416223

約数列:

[1, 5, 7, 25, 35, 41, 49, 175, 181, 205, 245, 287, 905, 1025, 1225, 1267, 1435, 2009, 4525, 6335, 7175, 7421, 8869, 10045, 31675, 37105, 44345, 50225, 51947, 185525, 221725, 259735, 363629, 1298675, 1818145, 9090725]

約数ペア:

[(1, 9090725), (5, 1818145), (7, 1298675), (25, 363629), (35, 259735), (41, 221725), (49, 185525), (175, 51947), (181, 50225), (205, 44345), (245, 37105), (287, 31675), (905, 10045), (1025, 8869), (1225, 7421), (1267, 7175), (1435, 6335), (2009, 4525)]