81430518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1043981}}^1$

素因数の和:1043999

約数の個数: 16

約数和(自身を含む): 175388976

約数和(自身を除く): 93958458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1043981, 2087962, 3131943, 6263886, 13571753, 27143506, 40715259, 81430518]

約数ペア:

[(1, 81430518), (2, 40715259), (3, 27143506), (6, 13571753), (13, 6263886), (26, 3131943), (39, 2087962), (78, 1043981)]