261670071

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 397895680

約数和(自身を除く): 136225609

約数列:

[1, 3, 13, 19, 39, 57, 181, 247, 543, 741, 1951, 2353, 3439, 5853, 7059, 10317, 25363, 37069, 44707, 76089, 111207, 134121, 353131, 481897, 1059393, 1445691, 4590703, 6709489, 13772109, 20128467, 87223357, 261670071]

約数ペア:

[(1, 261670071), (3, 87223357), (13, 20128467), (19, 13772109), (39, 6709489), (57, 4590703), (181, 1445691), (247, 1059393), (543, 481897), (741, 353131), (1951, 134121), (2353, 111207), (3439, 76089), (5853, 44707), (7059, 37069), (10317, 25363)]