81886785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3343}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 138682368

約数和(自身を除く): 56795583

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 3343, 4899, 8165, 10029, 16715, 24495, 50145, 76889, 230667, 237353, 384445, 712059, 1153335, 1186765, 3560295, 5459119, 16377357, 27295595, 81886785]

約数ペア:

[(1, 81886785), (3, 27295595), (5, 16377357), (15, 5459119), (23, 3560295), (69, 1186765), (71, 1153335), (115, 712059), (213, 384445), (345, 237353), (355, 230667), (1065, 76889), (1633, 50145), (3343, 24495), (4899, 16715), (8165, 10029)]