28248885

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29811915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 167, 179, 189, 315, 501, 537, 835, 895, 945, 1169, 1253, 1503, 1611, 2505, 2685, 3507, 3759, 4509, 4833, 5845, 6265, 7515, 8055, 10521, 11277, 17535, 18795, 22545, 24165, 29893, 31563, 33831, 52605, 56385, 89679, 149465, 157815, 169155, 209251, 269037, 448395, 627753, 807111, 1046255, 1345185, 1883259, 3138765, 4035555, 5649777, 9416295, 28248885]

約数ペア:

[(1, 28248885), (3, 9416295), (5, 5649777), (7, 4035555), (9, 3138765), (15, 1883259), (21, 1345185), (27, 1046255), (35, 807111), (45, 627753), (63, 448395), (105, 269037), (135, 209251), (167, 169155), (179, 157815), (189, 149465), (315, 89679), (501, 56385), (537, 52605), (835, 33831), (895, 31563), (945, 29893), (1169, 24165), (1253, 22545), (1503, 18795), (1611, 17535), (2505, 11277), (2685, 10521), (3507, 8055), (3759, 7515), (4509, 6265), (4833, 5845)]