205562007

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{24533}}^1$

素因数の和:24572

約数の個数: 36

約数和(自身を含む): 363593880

約数和(自身を除く): 158031873

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 24533, 73599, 171731, 220797, 466127, 515193, 1202117, 1398381, 1545579, 3262889, 3606351, 4195143, 9788667, 10819053, 22840223, 29366001, 68520669, 205562007]

約数ペア:

[(1, 205562007), (3, 68520669), (7, 29366001), (9, 22840223), (19, 10819053), (21, 9788667), (49, 4195143), (57, 3606351), (63, 3262889), (133, 1545579), (147, 1398381), (171, 1202117), (399, 515193), (441, 466127), (931, 220797), (1197, 171731), (2793, 73599), (8379, 24533)]