31380453

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1753}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 53482968

約数和(自身を除く): 22102515

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1753, 1989, 5259, 5967, 15777, 17901, 22789, 29801, 47331, 68367, 89403, 141993, 205101, 268209, 387413, 615303, 804627, 1162239, 1845909, 2413881, 3486717, 10460151, 31380453]

約数ペア:

[(1, 31380453), (3, 10460151), (9, 3486717), (13, 2413881), (17, 1845909), (27, 1162239), (39, 804627), (51, 615303), (81, 387413), (117, 268209), (153, 205101), (221, 141993), (351, 89403), (459, 68367), (663, 47331), (1053, 29801), (1377, 22789), (1753, 17901), (1989, 15777), (5259, 5967)]