2171565

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2074131

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 107, 123, 165, 205, 321, 369, 451, 495, 535, 615, 963, 1177, 1353, 1605, 1845, 2255, 3531, 4059, 4387, 4815, 5885, 6765, 10593, 13161, 17655, 20295, 21935, 39483, 48257, 52965, 65805, 144771, 197415, 241285, 434313, 723855, 2171565]

約数ペア:

[(1, 2171565), (3, 723855), (5, 434313), (9, 241285), (11, 197415), (15, 144771), (33, 65805), (41, 52965), (45, 48257), (55, 39483), (99, 21935), (107, 20295), (123, 17655), (165, 13161), (205, 10593), (321, 6765), (369, 5885), (451, 4815), (495, 4387), (535, 4059), (615, 3531), (963, 2255), (1177, 1845), (1353, 1605)]