665367615

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 1308786336

約数和(自身を除く): 643418721

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 233, 297, 405, 495, 641, 699, 891, 1165, 1485, 1923, 2097, 2563, 3205, 3495, 4455, 5769, 6291, 7051, 7689, 9615, 10485, 12815, 17307, 18873, 21153, 23067, 28845, 31455, 35255, 38445, 51921, 63459, 69201, 86535, 94365, 105765, 115335, 149353, 190377, 207603, 259605, 317295, 346005, 448059, 571131, 746765, 951885, 1038015, 1344177, 1642883, 2240295, 2855655, 4032531, 4928649, 6720885, 8214415, 12097593, 14785947, 20162655, 24643245, 44357841, 60487965, 73929735, 133073523, 221789205, 665367615]

約数ペア:

[(1, 665367615), (3, 221789205), (5, 133073523), (9, 73929735), (11, 60487965), (15, 44357841), (27, 24643245), (33, 20162655), (45, 14785947), (55, 12097593), (81, 8214415), (99, 6720885), (135, 4928649), (165, 4032531), (233, 2855655), (297, 2240295), (405, 1642883), (495, 1344177), (641, 1038015), (699, 951885), (891, 746765), (1165, 571131), (1485, 448059), (1923, 346005), (2097, 317295), (2563, 259605), (3205, 207603), (3495, 190377), (4455, 149353), (5769, 115335), (6291, 105765), (7051, 94365), (7689, 86535), (9615, 69201), (10485, 63459), (12815, 51921), (17307, 38445), (18873, 35255), (21153, 31455), (23067, 28845)]