81636399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{6521}}^1$

素因数の和:6647

約数の個数: 24

約数和(自身を含む): 128196432

約数和(自身を除く): 46560033

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 6521, 12519, 19563, 58689, 84773, 254319, 697747, 762957, 2093241, 6279723, 9070711, 27212133, 81636399]

約数ペア:

[(1, 81636399), (3, 27212133), (9, 9070711), (13, 6279723), (39, 2093241), (107, 762957), (117, 697747), (321, 254319), (963, 84773), (1391, 58689), (4173, 19563), (6521, 12519)]