201931431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{463}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 297464832

約数和(自身を除く): 95533401

約数列:

[1, 3, 13, 39, 53, 159, 211, 463, 633, 689, 1389, 2067, 2743, 6019, 8229, 11183, 18057, 24539, 33549, 73617, 97693, 145379, 293079, 319007, 436137, 957021, 1270009, 3810027, 5177729, 15533187, 67310477, 201931431]

約数ペア:

[(1, 201931431), (3, 67310477), (13, 15533187), (39, 5177729), (53, 3810027), (159, 1270009), (211, 957021), (463, 436137), (633, 319007), (689, 293079), (1389, 145379), (2067, 97693), (2743, 73617), (6019, 33549), (8229, 24539), (11183, 18057)]