1231395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1049565

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 439, 561, 935, 1317, 2195, 2805, 4829, 6585, 7463, 14487, 22389, 24145, 37315, 72435, 82093, 111945, 246279, 410465, 1231395]

約数ペア:

[(1, 1231395), (3, 410465), (5, 246279), (11, 111945), (15, 82093), (17, 72435), (33, 37315), (51, 24145), (55, 22389), (85, 14487), (165, 7463), (187, 6585), (255, 4829), (439, 2805), (561, 2195), (935, 1317)]