28192671

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18255969

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 2591, 3627, 7773, 10881, 23319, 33683, 69957, 80321, 101049, 240963, 303147, 722889, 909441, 1044173, 2168667, 3132519, 9397557, 28192671]

約数ペア:

[(1, 28192671), (3, 9397557), (9, 3132519), (13, 2168667), (27, 1044173), (31, 909441), (39, 722889), (93, 303147), (117, 240963), (279, 101049), (351, 80321), (403, 69957), (837, 33683), (1209, 23319), (2591, 10881), (3627, 7773)]