81553281

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34568319

約数列:

[1, 3, 31, 59, 89, 93, 167, 177, 267, 501, 1829, 2759, 5177, 5251, 5487, 8277, 9853, 14863, 15531, 15753, 29559, 44589, 162781, 305443, 460753, 488343, 876917, 916329, 1382259, 2630751, 27184427, 81553281]

約数ペア:

[(1, 81553281), (3, 27184427), (31, 2630751), (59, 1382259), (89, 916329), (93, 876917), (167, 488343), (177, 460753), (267, 305443), (501, 162781), (1829, 44589), (2759, 29559), (5177, 15753), (5251, 15531), (5487, 14863), (8277, 9853)]