25996905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 50880960

約数和(自身を除く): 24884055

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1811, 2871, 4785, 5433, 9055, 14355, 16299, 19921, 27165, 52519, 59763, 81495, 99605, 157557, 179289, 262595, 298815, 472671, 577709, 787785, 896445, 1733127, 2363355, 2888545, 5199381, 8665635, 25996905]

約数ペア:

[(1, 25996905), (3, 8665635), (5, 5199381), (9, 2888545), (11, 2363355), (15, 1733127), (29, 896445), (33, 787785), (45, 577709), (55, 472671), (87, 298815), (99, 262595), (145, 179289), (165, 157557), (261, 99605), (319, 81495), (435, 59763), (495, 52519), (957, 27165), (1305, 19921), (1595, 16299), (1811, 14355), (2871, 9055), (4785, 5433)]