39656385

素因数分解:

$3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 72124416

約数和(自身を除く): 32468031

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 257, 381, 405, 635, 771, 1143, 1215, 1285, 1905, 2313, 3429, 3855, 5715, 6939, 10287, 11565, 17145, 20817, 30861, 32639, 34695, 51435, 62451, 97917, 104085, 154305, 163195, 293751, 312255, 489585, 881253, 1468755, 2643759, 4406265, 7931277, 13218795, 39656385]

約数ペア:

[(1, 39656385), (3, 13218795), (5, 7931277), (9, 4406265), (15, 2643759), (27, 1468755), (45, 881253), (81, 489585), (127, 312255), (135, 293751), (243, 163195), (257, 154305), (381, 104085), (405, 97917), (635, 62451), (771, 51435), (1143, 34695), (1215, 32639), (1285, 30861), (1905, 20817), (2313, 17145), (3429, 11565), (3855, 10287), (5715, 6939)]