201781377

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 343848960

約数和(自身を除く): 142067583

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 191, 287, 369, 409, 573, 861, 1227, 1337, 1719, 2583, 2863, 3681, 4011, 7831, 8589, 12033, 16769, 23493, 25767, 50307, 54817, 70479, 78119, 117383, 150921, 164451, 234357, 352149, 493353, 546833, 703071, 1056447, 1640499, 3202879, 4921497, 9608637, 22420153, 28825911, 67260459, 201781377]

約数ペア:

[(1, 201781377), (3, 67260459), (7, 28825911), (9, 22420153), (21, 9608637), (41, 4921497), (63, 3202879), (123, 1640499), (191, 1056447), (287, 703071), (369, 546833), (409, 493353), (573, 352149), (861, 234357), (1227, 164451), (1337, 150921), (1719, 117383), (2583, 78119), (2863, 70479), (3681, 54817), (4011, 50307), (7831, 25767), (8589, 23493), (12033, 16769)]