561330201609

素因数分解:

$3^4\times {\mathrm{7109}}^1\times {\mathrm{974821}}^1$

素因数の和:981942

約数の個数: 20

約数和(自身を含む): 838649114820

約数和(自身を除く): 277318913211

約数列:

[1, 3, 9, 27, 81, 7109, 21327, 63981, 191943, 575829, 974821, 2924463, 8773389, 26320167, 78960501, 6930002489, 20790007467, 62370022401, 187110067203, 561330201609]

約数ペア:

[(1, 561330201609), (3, 187110067203), (9, 62370022401), (27, 20790007467), (81, 6930002489), (7109, 78960501), (21327, 26320167), (63981, 8773389), (191943, 2924463), (575829, 974821)]