787931469

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{748273}}^1$

素因数の和:748298

約数の個数: 20

約数和(自身を含む): 1267576156

約数和(自身を除く): 479644687

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 748273, 2244819, 6734457, 9727549, 20203371, 29182647, 60610113, 87547941, 262643823, 787931469]

約数ペア:

[(1, 787931469), (3, 262643823), (9, 87547941), (13, 60610113), (27, 29182647), (39, 20203371), (81, 9727549), (117, 6734457), (351, 2244819), (1053, 748273)]