27943685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 42142464

約数和(自身を除く): 14198779

約数列:

[1, 5, 7, 11, 35, 55, 77, 181, 385, 401, 905, 1267, 1991, 2005, 2807, 4411, 6335, 9955, 13937, 14035, 22055, 30877, 69685, 72581, 154385, 362905, 508067, 798391, 2540335, 3991955, 5588737, 27943685]

約数ペア:

[(1, 27943685), (5, 5588737), (7, 3991955), (11, 2540335), (35, 798391), (55, 508067), (77, 362905), (181, 154385), (385, 72581), (401, 69685), (905, 30877), (1267, 22055), (1991, 14035), (2005, 13937), (2807, 9955), (4411, 6335)]