28565901

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2683}}^1$

素因数の和:2722

約数の個数: 36

約数和(自身を含む): 51081888

約数和(自身を除く): 22515987

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2683, 3549, 8049, 10647, 18781, 24147, 34879, 56343, 104637, 169029, 244153, 313911, 453427, 732459, 1360281, 2197377, 3173989, 4080843, 9521967, 28565901]

約数ペア:

[(1, 28565901), (3, 9521967), (7, 4080843), (9, 3173989), (13, 2197377), (21, 1360281), (39, 732459), (63, 453427), (91, 313911), (117, 244153), (169, 169029), (273, 104637), (507, 56343), (819, 34879), (1183, 24147), (1521, 18781), (2683, 10647), (3549, 8049)]