1277975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 1749888

約数和(自身を除く): 471913

約数列:

[1, 5, 17, 25, 31, 85, 97, 155, 425, 485, 527, 775, 1649, 2425, 2635, 3007, 8245, 13175, 15035, 41225, 51119, 75175, 255595, 1277975]

約数ペア:

[(1, 1277975), (5, 255595), (17, 75175), (25, 51119), (31, 41225), (85, 15035), (97, 13175), (155, 8245), (425, 3007), (485, 2635), (527, 2425), (775, 1649)]