25188669

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 41705664

約数和(自身を除く): 16516995

約数列:

[1, 3, 9, 11, 33, 43, 61, 97, 99, 129, 183, 291, 387, 473, 549, 671, 873, 1067, 1419, 2013, 2623, 3201, 4171, 4257, 5917, 6039, 7869, 9603, 12513, 17751, 23607, 28853, 37539, 45881, 53253, 65087, 86559, 137643, 195261, 254431, 259677, 412929, 585783, 763293, 2289879, 2798741, 8396223, 25188669]

約数ペア:

[(1, 25188669), (3, 8396223), (9, 2798741), (11, 2289879), (33, 763293), (43, 585783), (61, 412929), (97, 259677), (99, 254431), (129, 195261), (183, 137643), (291, 86559), (387, 65087), (473, 53253), (549, 45881), (671, 37539), (873, 28853), (1067, 23607), (1419, 17751), (2013, 12513), (2623, 9603), (3201, 7869), (4171, 6039), (4257, 5917)]