17730819

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 28662480

約数和(自身を除く): 10931661

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 281, 369, 513, 779, 843, 1107, 1539, 2337, 2529, 3321, 5339, 7011, 7587, 11521, 16017, 21033, 22761, 34563, 48051, 63099, 103689, 144153, 218899, 311067, 432459, 656697, 933201, 1970091, 5910273, 17730819]

約数ペア:

[(1, 17730819), (3, 5910273), (9, 1970091), (19, 933201), (27, 656697), (41, 432459), (57, 311067), (81, 218899), (123, 144153), (171, 103689), (281, 63099), (369, 48051), (513, 34563), (779, 22761), (843, 21033), (1107, 16017), (1539, 11521), (2337, 7587), (2529, 7011), (3321, 5339)]