820911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 1404928

約数和(自身を除く): 584017

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 97, 217, 273, 291, 403, 651, 679, 1209, 1261, 2037, 2821, 3007, 3783, 8463, 8827, 9021, 21049, 26481, 39091, 63147, 117273, 273637, 820911]

約数ペア:

[(1, 820911), (3, 273637), (7, 117273), (13, 63147), (21, 39091), (31, 26481), (39, 21049), (91, 9021), (93, 8827), (97, 8463), (217, 3783), (273, 3007), (291, 2821), (403, 2037), (651, 1261), (679, 1209)]