388077207

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 645345792

約数和(自身を除く): 257268585

約数列:

[1, 3, 7, 17, 21, 49, 51, 83, 119, 147, 249, 357, 581, 833, 1411, 1743, 1871, 2499, 4067, 4233, 5613, 9877, 12201, 13097, 29631, 31807, 39291, 69139, 91679, 95421, 155293, 207417, 222649, 275037, 465879, 667947, 1087051, 1558543, 2639981, 3261153, 4675629, 7609357, 7919943, 18479867, 22828071, 55439601, 129359069, 388077207]

約数ペア:

[(1, 388077207), (3, 129359069), (7, 55439601), (17, 22828071), (21, 18479867), (49, 7919943), (51, 7609357), (83, 4675629), (119, 3261153), (147, 2639981), (249, 1558543), (357, 1087051), (581, 667947), (833, 465879), (1411, 275037), (1743, 222649), (1871, 207417), (2499, 155293), (4067, 95421), (4233, 91679), (5613, 69139), (9877, 39291), (12201, 31807), (13097, 29631)]