261566019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4957}}^1$

素因数の和:5028

約数の個数: 48

約数和(自身を含む): 454787424

約数和(自身を除く): 193221405

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 99, 117, 123, 143, 369, 429, 451, 533, 1287, 1353, 1599, 4059, 4797, 4957, 5863, 14871, 17589, 44613, 52767, 54527, 64441, 163581, 193323, 203237, 490743, 579969, 609711, 708851, 1829133, 2126553, 2235607, 2642081, 6379659, 6706821, 7926243, 20120463, 23778729, 29062891, 87188673, 261566019]

約数ペア:

[(1, 261566019), (3, 87188673), (9, 29062891), (11, 23778729), (13, 20120463), (33, 7926243), (39, 6706821), (41, 6379659), (99, 2642081), (117, 2235607), (123, 2126553), (143, 1829133), (369, 708851), (429, 609711), (451, 579969), (533, 490743), (1287, 203237), (1353, 193323), (1599, 163581), (4059, 64441), (4797, 54527), (4957, 52767), (5863, 44613), (14871, 17589)]