200389959

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 371863440

約数和(自身を除く): 171473481

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 101, 147, 231, 303, 409, 441, 539, 693, 707, 909, 1111, 1227, 1617, 2121, 2863, 3333, 3681, 4499, 4851, 4949, 6363, 7777, 8589, 9999, 13497, 14847, 20041, 23331, 25767, 31493, 40491, 41309, 44541, 54439, 60123, 69993, 94479, 123927, 163317, 180369, 220451, 283437, 289163, 371781, 454399, 489951, 661353, 867489, 1363197, 1984059, 2024141, 2602467, 3180793, 4089591, 6072423, 9542379, 18217269, 22265551, 28627137, 66796653, 200389959]

約数ペア:

[(1, 200389959), (3, 66796653), (7, 28627137), (9, 22265551), (11, 18217269), (21, 9542379), (33, 6072423), (49, 4089591), (63, 3180793), (77, 2602467), (99, 2024141), (101, 1984059), (147, 1363197), (231, 867489), (303, 661353), (409, 489951), (441, 454399), (539, 371781), (693, 289163), (707, 283437), (909, 220451), (1111, 180369), (1227, 163317), (1617, 123927), (2121, 94479), (2863, 69993), (3333, 60123), (3681, 54439), (4499, 44541), (4851, 41309), (4949, 40491), (6363, 31493), (7777, 25767), (8589, 23331), (9999, 20041), (13497, 14847)]