78654849

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 133297920

約数和(自身を除く): 54643071

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 147, 237, 273, 521, 553, 637, 1027, 1563, 1659, 1911, 3081, 3647, 3871, 6773, 7189, 10941, 11613, 20319, 21567, 25529, 41159, 47411, 50323, 76587, 123477, 142233, 150969, 288113, 331877, 535067, 864339, 995631, 1605201, 2016791, 3745469, 6050373, 11236407, 26218283, 78654849]

約数ペア:

[(1, 78654849), (3, 26218283), (7, 11236407), (13, 6050373), (21, 3745469), (39, 2016791), (49, 1605201), (79, 995631), (91, 864339), (147, 535067), (237, 331877), (273, 288113), (521, 150969), (553, 142233), (637, 123477), (1027, 76587), (1563, 50323), (1659, 47411), (1911, 41159), (3081, 25529), (3647, 21567), (3871, 20319), (6773, 11613), (7189, 10941)]