2847819

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 4242672

約数和(自身を除く): 1394853

約数列:

[1, 3, 13, 39, 41, 123, 137, 169, 411, 507, 533, 1599, 1781, 5343, 5617, 6929, 16851, 20787, 23153, 69459, 73021, 219063, 949273, 2847819]

約数ペア:

[(1, 2847819), (3, 949273), (13, 219063), (39, 73021), (41, 69459), (123, 23153), (137, 20787), (169, 16851), (411, 6929), (507, 5617), (533, 5343), (1599, 1781)]