646737381

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1523}}^1\times {\mathrm{1627}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 967618080

約数和(自身を除く): 320880699

約数列:

[1, 3, 9, 29, 87, 261, 1523, 1627, 4569, 4881, 13707, 14643, 44167, 47183, 132501, 141549, 397503, 424647, 2477921, 7433763, 22301289, 71859709, 215579127, 646737381]

約数ペア:

[(1, 646737381), (3, 215579127), (9, 71859709), (29, 22301289), (87, 7433763), (261, 2477921), (1523, 424647), (1627, 397503), (4569, 141549), (4881, 132501), (13707, 47183), (14643, 44167)]