9721269

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 24

約数和(自身を含む): 14857920

約数和(自身を除く): 5136651

約数列:

[1, 3, 9, 27, 37, 111, 263, 333, 789, 999, 1369, 2367, 4107, 7101, 9731, 12321, 29193, 36963, 87579, 262737, 360047, 1080141, 3240423, 9721269]

約数ペア:

[(1, 9721269), (3, 3240423), (9, 1080141), (27, 360047), (37, 262737), (111, 87579), (263, 36963), (333, 29193), (789, 12321), (999, 9731), (1369, 7101), (2367, 4107)]