808821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 1304576

約数和(自身を除く): 495755

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 223, 279, 403, 669, 1209, 2007, 2899, 3627, 6913, 8697, 20739, 26091, 62217, 89869, 269607, 808821]

約数ペア:

[(1, 808821), (3, 269607), (9, 89869), (13, 62217), (31, 26091), (39, 20739), (93, 8697), (117, 6913), (223, 3627), (279, 2899), (403, 2007), (669, 1209)]