27996813

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 46710720

約数和(自身を除く): 18713907

約数列:

[1, 3, 9, 13, 27, 31, 39, 83, 93, 117, 249, 279, 351, 403, 747, 837, 961, 1079, 1209, 2241, 2573, 2883, 3237, 3627, 7719, 8649, 9711, 10881, 12493, 23157, 25947, 29133, 33449, 37479, 69471, 79763, 100347, 112437, 239289, 301041, 337311, 717867, 903123, 1036919, 2153601, 3110757, 9332271, 27996813]

約数ペア:

[(1, 27996813), (3, 9332271), (9, 3110757), (13, 2153601), (27, 1036919), (31, 903123), (39, 717867), (83, 337311), (93, 301041), (117, 239289), (249, 112437), (279, 100347), (351, 79763), (403, 69471), (747, 37479), (837, 33449), (961, 29133), (1079, 25947), (1209, 23157), (2241, 12493), (2573, 10881), (2883, 9711), (3237, 8649), (3627, 7719)]