8213985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 16161600

約数和(自身を除く): 7947615

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 739, 741, 855, 1235, 2217, 2223, 3695, 3705, 6651, 9607, 11085, 11115, 14041, 28821, 33255, 42123, 48035, 70205, 86463, 126369, 144105, 182533, 210615, 432315, 547599, 631845, 912665, 1642797, 2737995, 8213985]

約数ペア:

[(1, 8213985), (3, 2737995), (5, 1642797), (9, 912665), (13, 631845), (15, 547599), (19, 432315), (39, 210615), (45, 182533), (57, 144105), (65, 126369), (95, 86463), (117, 70205), (171, 48035), (195, 42123), (247, 33255), (285, 28821), (585, 14041), (739, 11115), (741, 11085), (855, 9607), (1235, 6651), (2217, 3705), (2223, 3695)]