16401879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 26530560

約数和(自身を除く): 10128681

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 563, 747, 1079, 1689, 2241, 3237, 5067, 7319, 9711, 15201, 21957, 29133, 46729, 65871, 140187, 197613, 420561, 607477, 1261683, 1822431, 5467293, 16401879]

約数ペア:

[(1, 16401879), (3, 5467293), (9, 1822431), (13, 1261683), (27, 607477), (39, 420561), (83, 197613), (117, 140187), (249, 65871), (351, 46729), (563, 29133), (747, 21957), (1079, 15201), (1689, 9711), (2241, 7319), (3237, 5067)]