320572263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 477326592

約数和(自身を除く): 156754329

約数列:

[1, 3, 11, 33, 61, 163, 183, 489, 671, 977, 1793, 2013, 2931, 5379, 9943, 10747, 29829, 32241, 59597, 109373, 159251, 178791, 328119, 477753, 655567, 1751761, 1966701, 5255283, 9714311, 29142933, 106857421, 320572263]

約数ペア:

[(1, 320572263), (3, 106857421), (11, 29142933), (33, 9714311), (61, 5255283), (163, 1966701), (183, 1751761), (489, 655567), (671, 477753), (977, 328119), (1793, 178791), (2013, 159251), (2931, 109373), (5379, 59597), (9943, 32241), (10747, 29829)]