15705821985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1\times {\mathrm{2143}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 28953673728

約数和(自身を除く): 13247851743

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 313, 669, 939, 1115, 1561, 1565, 2143, 2191, 3345, 4683, 4695, 6429, 6573, 7805, 10715, 10955, 15001, 23415, 32145, 32865, 45003, 69799, 75005, 209397, 225015, 348995, 477889, 488593, 670759, 1046985, 1433667, 1465779, 2012277, 2389445, 2442965, 3345223, 3353795, 4695313, 7168335, 7328895, 10035669, 10061385, 14085939, 16726115, 23476565, 50178345, 70429695, 149579257, 448737771, 747896285, 1047054799, 2243688855, 3141164397, 5235273995, 15705821985]

約数ペア:

[(1, 15705821985), (3, 5235273995), (5, 3141164397), (7, 2243688855), (15, 1047054799), (21, 747896285), (35, 448737771), (105, 149579257), (223, 70429695), (313, 50178345), (669, 23476565), (939, 16726115), (1115, 14085939), (1561, 10061385), (1565, 10035669), (2143, 7328895), (2191, 7168335), (3345, 4695313), (4683, 3353795), (4695, 3345223), (6429, 2442965), (6573, 2389445), (7805, 2012277), (10715, 1465779), (10955, 1433667), (15001, 1046985), (23415, 670759), (32145, 488593), (32865, 477889), (45003, 348995), (69799, 225015), (75005, 209397)]