27857655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 30203145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 287, 315, 369, 615, 719, 861, 945, 1107, 1435, 1845, 2157, 2583, 3595, 4305, 5033, 5535, 6471, 7749, 10785, 12915, 15099, 19413, 25165, 29479, 32355, 38745, 45297, 75495, 88437, 97065, 135891, 147395, 206353, 226485, 265311, 442185, 619059, 679455, 795933, 1031765, 1326555, 1857177, 3095295, 3979665, 5571531, 9285885, 27857655]

約数ペア:

[(1, 27857655), (3, 9285885), (5, 5571531), (7, 3979665), (9, 3095295), (15, 1857177), (21, 1326555), (27, 1031765), (35, 795933), (41, 679455), (45, 619059), (63, 442185), (105, 265311), (123, 226485), (135, 206353), (189, 147395), (205, 135891), (287, 97065), (315, 88437), (369, 75495), (615, 45297), (719, 38745), (861, 32355), (945, 29479), (1107, 25165), (1435, 19413), (1845, 15099), (2157, 12915), (2583, 10785), (3595, 7749), (4305, 6471), (5033, 5535)]