85971561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 130865280

約数和(自身を除く): 44893719

約数列:

[1, 3, 13, 19, 39, 57, 181, 247, 543, 641, 741, 1923, 2353, 3439, 7059, 8333, 10317, 12179, 24999, 36537, 44707, 116021, 134121, 158327, 348063, 474981, 1508273, 2204399, 4524819, 6613197, 28657187, 85971561]

約数ペア:

[(1, 85971561), (3, 28657187), (13, 6613197), (19, 4524819), (39, 2204399), (57, 1508273), (181, 474981), (247, 348063), (543, 158327), (641, 134121), (741, 116021), (1923, 44707), (2353, 36537), (3439, 24999), (7059, 12179), (8333, 10317)]