28444143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 48197632

約数和(自身を除く): 19753489

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3361, 8463, 10083, 23527, 43693, 70581, 104191, 131079, 305851, 312573, 729337, 917553, 1354483, 2188011, 4063449, 9481381, 28444143]

約数ペア:

[(1, 28444143), (3, 9481381), (7, 4063449), (13, 2188011), (21, 1354483), (31, 917553), (39, 729337), (91, 312573), (93, 305851), (217, 131079), (273, 104191), (403, 70581), (651, 43693), (1209, 23527), (2821, 10083), (3361, 8463)]