81581565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{953}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 141039360

約数和(自身を除く): 59457795

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 439, 953, 1317, 2195, 2859, 4765, 5707, 6585, 12389, 14295, 17121, 28535, 37167, 61945, 85605, 185835, 418367, 1255101, 2091835, 5438771, 6275505, 16316313, 27193855, 81581565]

約数ペア:

[(1, 81581565), (3, 27193855), (5, 16316313), (13, 6275505), (15, 5438771), (39, 2091835), (65, 1255101), (195, 418367), (439, 185835), (953, 85605), (1317, 61945), (2195, 37167), (2859, 28535), (4765, 17121), (5707, 14295), (6585, 12389)]