28913703

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8147}}^1$

素因数の和:8183

約数の個数: 24

約数和(自身を含む): 47714688

約数和(自身を除く): 18800985

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 8147, 24441, 57029, 105911, 171087, 317733, 741377, 1376843, 2224131, 4130529, 9637901, 28913703]

約数ペア:

[(1, 28913703), (3, 9637901), (7, 4130529), (13, 2224131), (21, 1376843), (39, 741377), (91, 317733), (169, 171087), (273, 105911), (507, 57029), (1183, 24441), (3549, 8147)]