201616857

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{63823}}^1$

素因数の和:63851

約数の個数: 24

約数和(自身を含む): 325247104

約数和(自身を除く): 123630247

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 63823, 191469, 574407, 829699, 1723221, 2489097, 5169663, 7467291, 15508989, 22401873, 67205619, 201616857]

約数ペア:

[(1, 201616857), (3, 67205619), (9, 22401873), (13, 15508989), (27, 7467291), (39, 5169663), (81, 2489097), (117, 1723221), (243, 829699), (351, 574407), (1053, 191469), (3159, 63823)]