28654605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5351}}^1$

素因数の和:5386

約数の個数: 48

約数和(自身を含む): 60113664

約数和(自身を除く): 31459059

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5351, 5355, 16053, 26755, 37457, 48159, 80265, 90967, 112371, 187285, 240795, 272901, 337113, 454835, 561855, 636769, 818703, 1364505, 1685565, 1910307, 3183845, 4093515, 5730921, 9551535, 28654605]

約数ペア:

[(1, 28654605), (3, 9551535), (5, 5730921), (7, 4093515), (9, 3183845), (15, 1910307), (17, 1685565), (21, 1364505), (35, 818703), (45, 636769), (51, 561855), (63, 454835), (85, 337113), (105, 272901), (119, 240795), (153, 187285), (255, 112371), (315, 90967), (357, 80265), (595, 48159), (765, 37457), (1071, 26755), (1785, 16053), (5351, 5355)]