31341921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 15469599

約数列:

[1, 3, 13, 39, 53, 59, 159, 177, 257, 689, 767, 771, 2067, 2301, 3127, 3341, 9381, 10023, 13621, 15163, 40651, 40863, 45489, 121953, 177073, 197119, 531219, 591357, 803639, 2410917, 10447307, 31341921]

約数ペア:

[(1, 31341921), (3, 10447307), (13, 2410917), (39, 803639), (53, 591357), (59, 531219), (159, 197119), (177, 177073), (257, 121953), (689, 45489), (767, 40863), (771, 40651), (2067, 15163), (2301, 13621), (3127, 10023), (3341, 9381)]