68921265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 134092800

約数和(自身を除く): 65171535

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 179, 193, 285, 399, 537, 579, 665, 895, 965, 1253, 1351, 1995, 2685, 2895, 3401, 3667, 3759, 4053, 6265, 6755, 10203, 11001, 17005, 18335, 18795, 20265, 23807, 25669, 34547, 51015, 55005, 71421, 77007, 103641, 119035, 128345, 172735, 241829, 357105, 385035, 518205, 656393, 725487, 1209145, 1969179, 3281965, 3627435, 4594751, 9845895, 13784253, 22973755, 68921265]

約数ペア:

[(1, 68921265), (3, 22973755), (5, 13784253), (7, 9845895), (15, 4594751), (19, 3627435), (21, 3281965), (35, 1969179), (57, 1209145), (95, 725487), (105, 656393), (133, 518205), (179, 385035), (193, 357105), (285, 241829), (399, 172735), (537, 128345), (579, 119035), (665, 103641), (895, 77007), (965, 71421), (1253, 55005), (1351, 51015), (1995, 34547), (2685, 25669), (2895, 23807), (3401, 20265), (3667, 18795), (3759, 18335), (4053, 17005), (6265, 11001), (6755, 10203)]