68141817

素因数分解:

$3^6\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:672

約数の個数: 28

約数和(自身を含む): 102881904

約数和(自身を除く): 34740087

約数列:

[1, 3, 9, 27, 81, 211, 243, 443, 633, 729, 1329, 1899, 3987, 5697, 11961, 17091, 35883, 51273, 93473, 107649, 153819, 280419, 322947, 841257, 2523771, 7571313, 22713939, 68141817]

約数ペア:

[(1, 68141817), (3, 22713939), (9, 7571313), (27, 2523771), (81, 841257), (211, 322947), (243, 280419), (443, 153819), (633, 107649), (729, 93473), (1329, 51273), (1899, 35883), (3987, 17091), (5697, 11961)]