201331581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 322775040

約数和(自身を除く): 121443459

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 529, 607, 627, 759, 1311, 1587, 1821, 4807, 5819, 6677, 10051, 11533, 13961, 14421, 17457, 20031, 30153, 34599, 41883, 110561, 126863, 153571, 265259, 321103, 331683, 380589, 460713, 795777, 963309, 2917849, 3532133, 6100957, 8753547, 10596399, 18302871, 67110527, 201331581]

約数ペア:

[(1, 201331581), (3, 67110527), (11, 18302871), (19, 10596399), (23, 8753547), (33, 6100957), (57, 3532133), (69, 2917849), (209, 963309), (253, 795777), (437, 460713), (529, 380589), (607, 331683), (627, 321103), (759, 265259), (1311, 153571), (1587, 126863), (1821, 110561), (4807, 41883), (5819, 34599), (6677, 30153), (10051, 20031), (11533, 17457), (13961, 14421)]