290705295

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 475695360

約数和(自身を除く): 184990065

約数列:

[1, 3, 5, 15, 67, 139, 201, 335, 417, 695, 1005, 2081, 2085, 6243, 9313, 10405, 27939, 31215, 46565, 139427, 139695, 289259, 418281, 697135, 867777, 1446295, 2091405, 4338885, 19380353, 58141059, 96901765, 290705295]

約数ペア:

[(1, 290705295), (3, 96901765), (5, 58141059), (15, 19380353), (67, 4338885), (139, 2091405), (201, 1446295), (335, 867777), (417, 697135), (695, 418281), (1005, 289259), (2081, 139695), (2085, 139427), (6243, 46565), (9313, 31215), (10405, 27939)]