15909705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 33381504

約数和(自身を除く): 17471799

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 2971, 5355, 8913, 14855, 20797, 26739, 44565, 50507, 62391, 103985, 133695, 151521, 187173, 252535, 311955, 353549, 454563, 757605, 935865, 1060647, 1767745, 2272815, 3181941, 5303235, 15909705]

約数ペア:

[(1, 15909705), (3, 5303235), (5, 3181941), (7, 2272815), (9, 1767745), (15, 1060647), (17, 935865), (21, 757605), (35, 454563), (45, 353549), (51, 311955), (63, 252535), (85, 187173), (105, 151521), (119, 133695), (153, 103985), (255, 62391), (315, 50507), (357, 44565), (595, 26739), (765, 20797), (1071, 14855), (1785, 8913), (2971, 5355)]