2017719819

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 3039379200

約数和(自身を除く): 1021659381

約数列:

[1, 3, 9, 59, 71, 109, 177, 213, 327, 491, 531, 639, 981, 1473, 4189, 4419, 6431, 7739, 12567, 19293, 23217, 28969, 34861, 37701, 53519, 57879, 69651, 86907, 104583, 160557, 260721, 313749, 456601, 481671, 1369803, 2056799, 3157621, 3799849, 4109409, 6170397, 9472863, 11399547, 18511191, 28418589, 34198641, 224191091, 672573273, 2017719819]

約数ペア:

[(1, 2017719819), (3, 672573273), (9, 224191091), (59, 34198641), (71, 28418589), (109, 18511191), (177, 11399547), (213, 9472863), (327, 6170397), (491, 4109409), (531, 3799849), (639, 3157621), (981, 2056799), (1473, 1369803), (4189, 481671), (4419, 456601), (6431, 313749), (7739, 260721), (12567, 160557), (19293, 104583), (23217, 86907), (28969, 69651), (34861, 57879), (37701, 53519)]