111981991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 131680640

約数和(自身を除く): 19698649

約数列:

[1, 11, 19, 67, 121, 209, 727, 737, 1273, 2299, 7997, 8107, 13813, 14003, 48709, 87967, 151943, 154033, 535799, 925471, 1671373, 5893789, 10180181, 111981991]

約数ペア:

[(1, 111981991), (11, 10180181), (19, 5893789), (67, 1671373), (121, 925471), (209, 535799), (727, 154033), (737, 151943), (1273, 87967), (2299, 48709), (7997, 14003), (8107, 13813)]