217290159

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{2539}}^1$

素因数の和:2839

約数の個数: 24

約数和(自身を含む): 323728080

約数和(自身を除く): 106437921

約数列:

[1, 3, 9, 37, 111, 257, 333, 771, 2313, 2539, 7617, 9509, 22851, 28527, 85581, 93943, 281829, 652523, 845487, 1957569, 5872707, 24143351, 72430053, 217290159]

約数ペア:

[(1, 217290159), (3, 72430053), (9, 24143351), (37, 5872707), (111, 1957569), (257, 845487), (333, 652523), (771, 281829), (2313, 93943), (2539, 85581), (7617, 28527), (9509, 22851)]