205896249

素因数分解:

$3^4\times {\mathrm{13}}^4\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 50

約数和(自身を含む): 336947490

約数和(自身を除く): 131051241

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 117, 169, 267, 351, 507, 801, 1053, 1157, 1521, 2197, 2403, 3471, 4563, 6591, 7209, 10413, 13689, 15041, 19773, 28561, 31239, 45123, 59319, 85683, 93717, 135369, 177957, 195533, 257049, 406107, 586599, 771147, 1218321, 1759797, 2313441, 2541929, 5279391, 7625787, 15838173, 22877361, 68632083, 205896249]

約数ペア:

[(1, 205896249), (3, 68632083), (9, 22877361), (13, 15838173), (27, 7625787), (39, 5279391), (81, 2541929), (89, 2313441), (117, 1759797), (169, 1218321), (267, 771147), (351, 586599), (507, 406107), (801, 257049), (1053, 195533), (1157, 177957), (1521, 135369), (2197, 93717), (2403, 85683), (3471, 59319), (4563, 45123), (6591, 31239), (7209, 28561), (10413, 19773), (13689, 15041)]