201639213

素因数分解:

$3^8\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 36

約数和(自身を含む): 307314748

約数和(自身を除く): 105675535

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 421, 657, 729, 1263, 1971, 2187, 3789, 5913, 6561, 11367, 17739, 30733, 34101, 53217, 92199, 102303, 159651, 276597, 306909, 478953, 829791, 920727, 2489373, 2762181, 7468119, 22404357, 67213071, 201639213]

約数ペア:

[(1, 201639213), (3, 67213071), (9, 22404357), (27, 7468119), (73, 2762181), (81, 2489373), (219, 920727), (243, 829791), (421, 478953), (657, 306909), (729, 276597), (1263, 159651), (1971, 102303), (2187, 92199), (3789, 53217), (5913, 34101), (6561, 30733), (11367, 17739)]