77726871

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{15731}}^1$

素因数の和:15804

約数の個数: 20

約数和(自身を含む): 118021464

約数和(自身を除く): 40294593

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 15731, 47193, 141579, 424737, 959591, 1274211, 2878773, 8636319, 25908957, 77726871]

約数ペア:

[(1, 77726871), (3, 25908957), (9, 8636319), (27, 2878773), (61, 1274211), (81, 959591), (183, 424737), (549, 141579), (1647, 47193), (4941, 15731)]