231931689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5521}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 360476160

約数和(自身を除く): 128544471

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 627, 737, 1273, 2211, 3819, 5521, 14003, 16563, 42009, 60731, 104899, 182193, 314697, 369907, 1109721, 1153889, 3461667, 4068977, 7028233, 12206931, 21084699, 77310563, 231931689]

約数ペア:

[(1, 231931689), (3, 77310563), (11, 21084699), (19, 12206931), (33, 7028233), (57, 4068977), (67, 3461667), (201, 1153889), (209, 1109721), (627, 369907), (737, 314697), (1273, 182193), (2211, 104899), (3819, 60731), (5521, 42009), (14003, 16563)]