287689077

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9421}}^1$

素因数の和:9475

約数の個数: 40

約数和(自身を含む): 478826040

約数和(自身を除く): 191136963

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 783, 1053, 1131, 2349, 3393, 9421, 10179, 28263, 30537, 84789, 122473, 254367, 273209, 367419, 763101, 819627, 1102257, 2458881, 3306771, 3551717, 7376643, 9920313, 10655151, 22129929, 31965453, 95896359, 287689077]

約数ペア:

[(1, 287689077), (3, 95896359), (9, 31965453), (13, 22129929), (27, 10655151), (29, 9920313), (39, 7376643), (81, 3551717), (87, 3306771), (117, 2458881), (261, 1102257), (351, 819627), (377, 763101), (783, 367419), (1053, 273209), (1131, 254367), (2349, 122473), (3393, 84789), (9421, 30537), (10179, 28263)]