31085613

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 40

約数和(自身を含む): 51043608

約数和(自身を除く): 19957995

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 351, 477, 557, 689, 1053, 1431, 1671, 2067, 4293, 5013, 6201, 7241, 15039, 18603, 21723, 29521, 45117, 55809, 65169, 88563, 195507, 265689, 383773, 586521, 797067, 1151319, 2391201, 3453957, 10361871, 31085613]

約数ペア:

[(1, 31085613), (3, 10361871), (9, 3453957), (13, 2391201), (27, 1151319), (39, 797067), (53, 586521), (81, 383773), (117, 265689), (159, 195507), (351, 88563), (477, 65169), (557, 55809), (689, 45117), (1053, 29521), (1431, 21723), (1671, 18603), (2067, 15039), (4293, 7241), (5013, 6201)]