7285221

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1762

約数の個数: 20

約数和(自身を含む): 11094732

約数和(自身を除く): 3809511

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 1697, 4293, 5091, 15273, 45819, 89941, 137457, 269823, 809469, 2428407, 7285221]

約数ペア:

[(1, 7285221), (3, 2428407), (9, 809469), (27, 269823), (53, 137457), (81, 89941), (159, 45819), (477, 15273), (1431, 5091), (1697, 4293)]