13021281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1223}}^1$

素因数の和:1262

約数の個数: 36

約数和(自身を含む): 23295168

約数和(自身を除く): 10273887

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1223, 1521, 3549, 3669, 8561, 10647, 11007, 15899, 25683, 47697, 77049, 111293, 143091, 206687, 333879, 620061, 1001637, 1446809, 1860183, 4340427, 13021281]

約数ペア:

[(1, 13021281), (3, 4340427), (7, 1860183), (9, 1446809), (13, 1001637), (21, 620061), (39, 333879), (63, 206687), (91, 143091), (117, 111293), (169, 77049), (273, 47697), (507, 25683), (819, 15899), (1183, 11007), (1223, 10647), (1521, 8561), (3549, 3669)]