56161215

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 110937600

約数和(自身を除く): 54776385

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 59, 99, 135, 165, 177, 295, 297, 495, 531, 641, 649, 885, 1485, 1593, 1923, 1947, 2655, 3205, 3245, 5769, 5841, 7051, 7965, 9615, 9735, 17307, 17523, 21153, 28845, 29205, 35255, 37819, 63459, 86535, 87615, 105765, 113457, 189095, 190377, 317295, 340371, 416009, 567285, 951885, 1021113, 1248027, 1701855, 2080045, 3744081, 5105565, 6240135, 11232243, 18720405, 56161215]

約数ペア:

[(1, 56161215), (3, 18720405), (5, 11232243), (9, 6240135), (11, 5105565), (15, 3744081), (27, 2080045), (33, 1701855), (45, 1248027), (55, 1021113), (59, 951885), (99, 567285), (135, 416009), (165, 340371), (177, 317295), (295, 190377), (297, 189095), (495, 113457), (531, 105765), (641, 87615), (649, 86535), (885, 63459), (1485, 37819), (1593, 35255), (1923, 29205), (1947, 28845), (2655, 21153), (3205, 17523), (3245, 17307), (5769, 9735), (5841, 9615), (7051, 7965)]