13397931

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 19874400

約数和(自身を除く): 6476469

約数列:

[1, 3, 9, 97, 103, 149, 291, 309, 447, 873, 927, 1341, 9991, 14453, 15347, 29973, 43359, 46041, 89919, 130077, 138123, 1488659, 4465977, 13397931]

約数ペア:

[(1, 13397931), (3, 4465977), (9, 1488659), (97, 138123), (103, 130077), (149, 89919), (291, 46041), (309, 43359), (447, 29973), (873, 15347), (927, 14453), (1341, 9991)]