68342715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 143121888

約数和(自身を除く): 74779173

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 361, 399, 601, 665, 855, 1083, 1197, 1803, 1805, 1995, 2527, 3005, 3249, 4207, 5409, 5415, 5985, 7581, 9015, 11419, 12621, 12635, 16245, 21035, 22743, 27045, 34257, 37863, 37905, 57095, 63105, 79933, 102771, 113715, 171285, 189315, 216961, 239799, 399665, 513855, 650883, 719397, 1084805, 1198995, 1518727, 1952649, 3254415, 3596985, 4556181, 7593635, 9763245, 13668543, 22780905, 68342715]

約数ペア:

[(1, 68342715), (3, 22780905), (5, 13668543), (7, 9763245), (9, 7593635), (15, 4556181), (19, 3596985), (21, 3254415), (35, 1952649), (45, 1518727), (57, 1198995), (63, 1084805), (95, 719397), (105, 650883), (133, 513855), (171, 399665), (285, 239799), (315, 216961), (361, 189315), (399, 171285), (601, 113715), (665, 102771), (855, 79933), (1083, 63105), (1197, 57095), (1803, 37905), (1805, 37863), (1995, 34257), (2527, 27045), (3005, 22743), (3249, 21035), (4207, 16245), (5409, 12635), (5415, 12621), (5985, 11419), (7581, 9015)]