254617011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 414741600

約数和(自身を除く): 160124589

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 149, 369, 421, 447, 451, 1263, 1341, 1353, 1639, 3789, 4059, 4631, 4917, 6109, 13893, 14751, 17261, 18327, 41679, 51783, 54981, 62729, 67199, 155349, 188187, 189871, 201597, 564561, 569613, 604791, 690019, 1708839, 2070057, 2571889, 6210171, 7715667, 23147001, 28290779, 84872337, 254617011]

約数ペア:

[(1, 254617011), (3, 84872337), (9, 28290779), (11, 23147001), (33, 7715667), (41, 6210171), (99, 2571889), (123, 2070057), (149, 1708839), (369, 690019), (421, 604791), (447, 569613), (451, 564561), (1263, 201597), (1341, 189871), (1353, 188187), (1639, 155349), (3789, 67199), (4059, 62729), (4631, 54981), (4917, 51783), (6109, 41679), (13893, 18327), (14751, 17261)]