78977457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 126694400

約数和(自身を除く): 47716943

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 351, 669, 1009, 2007, 2899, 3027, 6021, 8697, 9081, 13117, 26091, 27243, 39351, 78273, 118053, 225007, 354159, 675021, 2025063, 2925091, 6075189, 8775273, 26325819, 78977457]

約数ペア:

[(1, 78977457), (3, 26325819), (9, 8775273), (13, 6075189), (27, 2925091), (39, 2025063), (117, 675021), (223, 354159), (351, 225007), (669, 118053), (1009, 78273), (2007, 39351), (2899, 27243), (3027, 26091), (6021, 13117), (8697, 9081)]