15905115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 36

約数和(自身を含む): 29309904

約数和(自身を除く): 13404789

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1223, 1445, 2601, 3669, 4335, 6115, 11007, 13005, 18345, 20791, 55035, 62373, 103955, 187119, 311865, 353447, 935595, 1060341, 1767235, 3181023, 5301705, 15905115]

約数ペア:

[(1, 15905115), (3, 5301705), (5, 3181023), (9, 1767235), (15, 1060341), (17, 935595), (45, 353447), (51, 311865), (85, 187119), (153, 103955), (255, 62373), (289, 55035), (765, 20791), (867, 18345), (1223, 13005), (1445, 11007), (2601, 6115), (3669, 4335)]