388712727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1\times {\mathrm{1993}}^1$

素因数の和:3679

約数の個数: 24

約数和(自身を含む): 605330544

約数和(自身を除く): 216617817

約数列:

[1, 3, 9, 13, 39, 117, 1667, 1993, 5001, 5979, 15003, 17937, 21671, 25909, 65013, 77727, 195039, 233181, 3322331, 9966993, 29900979, 43190303, 129570909, 388712727]

約数ペア:

[(1, 388712727), (3, 129570909), (9, 43190303), (13, 29900979), (39, 9966993), (117, 3322331), (1667, 233181), (1993, 195039), (5001, 77727), (5979, 65013), (15003, 25909), (17937, 21671)]