137957781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 208438272

約数和(自身を除く): 70480491

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 403, 689, 1209, 1643, 2067, 2153, 4929, 6459, 21359, 27989, 64077, 66743, 83967, 114109, 200229, 342327, 867659, 1483417, 2602977, 3537379, 4450251, 10612137, 45985927, 137957781]

約数ペア:

[(1, 137957781), (3, 45985927), (13, 10612137), (31, 4450251), (39, 3537379), (53, 2602977), (93, 1483417), (159, 867659), (403, 342327), (689, 200229), (1209, 114109), (1643, 83967), (2067, 66743), (2153, 64077), (4929, 27989), (6459, 21359)]