890231937

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{27581}}^1$

素因数の和:27673

約数の個数: 32

約数和(自身を含む): 1429850880

約数和(自身を除く): 539618943

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 1113, 1537, 4611, 10759, 27581, 32277, 82743, 193067, 579201, 799849, 1461793, 2399547, 4385379, 5598943, 10232551, 16796829, 30697653, 42391997, 127175991, 296743979, 890231937]

約数ペア:

[(1, 890231937), (3, 296743979), (7, 127175991), (21, 42391997), (29, 30697653), (53, 16796829), (87, 10232551), (159, 5598943), (203, 4385379), (371, 2399547), (609, 1461793), (1113, 799849), (1537, 579201), (4611, 193067), (10759, 82743), (27581, 32277)]