231497019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{2153}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 360665760

約数和(自身を除く): 129168741

約数列:

[1, 3, 9, 13, 39, 117, 919, 2153, 2757, 6459, 8271, 11947, 19377, 27989, 35841, 83967, 107523, 251901, 1978607, 5935821, 17807463, 25721891, 77165673, 231497019]

約数ペア:

[(1, 231497019), (3, 77165673), (9, 25721891), (13, 17807463), (39, 5935821), (117, 1978607), (919, 251901), (2153, 107523), (2757, 83967), (6459, 35841), (8271, 27989), (11947, 19377)]