1278693525

素因数分解:

$3^1\times 5^2\times {\mathrm{1361}}^1\times {\mathrm{12527}}^1$

素因数の和:13901

約数の個数: 24

約数和(自身を含む): 2115828864

約数和(自身を除く): 837135339

約数列:

[1, 3, 5, 15, 25, 75, 1361, 4083, 6805, 12527, 20415, 34025, 37581, 62635, 102075, 187905, 313175, 939525, 17049247, 51147741, 85246235, 255738705, 426231175, 1278693525]

約数ペア:

[(1, 1278693525), (3, 426231175), (5, 255738705), (15, 85246235), (25, 51147741), (75, 17049247), (1361, 939525), (4083, 313175), (6805, 187905), (12527, 102075), (20415, 62635), (34025, 37581)]