31521661587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1\times {\mathrm{6781}}^1$

素因数の和:7460

約数の個数: 48

約数和(自身を含む): 49856815008

約数和(自身を除く): 18335153421

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 593, 603, 871, 1779, 2613, 5337, 6781, 7709, 7839, 20343, 23127, 39731, 61029, 69381, 88153, 119193, 264459, 357579, 454327, 516503, 793377, 1362981, 1549509, 4021133, 4088943, 4648527, 5906251, 12063399, 17718753, 36190197, 52274729, 53156259, 156824187, 269415911, 470472561, 808247733, 2424743199, 3502406843, 10507220529, 31521661587]

約数ペア:

[(1, 31521661587), (3, 10507220529), (9, 3502406843), (13, 2424743199), (39, 808247733), (67, 470472561), (117, 269415911), (201, 156824187), (593, 53156259), (603, 52274729), (871, 36190197), (1779, 17718753), (2613, 12063399), (5337, 5906251), (6781, 4648527), (7709, 4088943), (7839, 4021133), (20343, 1549509), (23127, 1362981), (39731, 793377), (61029, 516503), (69381, 454327), (88153, 357579), (119193, 264459)]