57216681

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 85929480

約数和(自身を除く): 28712799

約数列:

[1, 3, 9, 29, 87, 257, 261, 771, 853, 2313, 2559, 7453, 7677, 22359, 24737, 67077, 74211, 219221, 222633, 657663, 1972989, 6357409, 19072227, 57216681]

約数ペア:

[(1, 57216681), (3, 19072227), (9, 6357409), (29, 1972989), (87, 657663), (257, 222633), (261, 219221), (771, 74211), (853, 67077), (2313, 24737), (2559, 22359), (7453, 7677)]