28698705

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 60217344

約数和(自身を除く): 31518639

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 135, 159, 189, 191, 265, 315, 371, 405, 477, 567, 573, 795, 945, 955, 1113, 1337, 1431, 1719, 1855, 2385, 2835, 2865, 3339, 4011, 4293, 5157, 5565, 6685, 7155, 8595, 10017, 10123, 12033, 15471, 16695, 20055, 21465, 25785, 30051, 30369, 36099, 50085, 50615, 60165, 70861, 77355, 91107, 108297, 150255, 151845, 180495, 212583, 273321, 354305, 455535, 541485, 637749, 819963, 1062915, 1366605, 1913247, 3188745, 4099815, 5739741, 9566235, 28698705]

約数ペア:

[(1, 28698705), (3, 9566235), (5, 5739741), (7, 4099815), (9, 3188745), (15, 1913247), (21, 1366605), (27, 1062915), (35, 819963), (45, 637749), (53, 541485), (63, 455535), (81, 354305), (105, 273321), (135, 212583), (159, 180495), (189, 151845), (191, 150255), (265, 108297), (315, 91107), (371, 77355), (405, 70861), (477, 60165), (567, 50615), (573, 50085), (795, 36099), (945, 30369), (955, 30051), (1113, 25785), (1337, 21465), (1431, 20055), (1719, 16695), (1855, 15471), (2385, 12033), (2835, 10123), (2865, 10017), (3339, 8595), (4011, 7155), (4293, 6685), (5157, 5565)]