201495231

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 341273088

約数和(自身を除く): 139777857

約数列:

[1, 3, 7, 9, 21, 63, 71, 107, 213, 321, 421, 497, 639, 749, 963, 1263, 1491, 2247, 2947, 3789, 4473, 6741, 7597, 8841, 22791, 26523, 29891, 45047, 53179, 68373, 89673, 135141, 159537, 209237, 269019, 315329, 405423, 478611, 627711, 945987, 1883133, 2837961, 3198337, 9595011, 22388359, 28785033, 67165077, 201495231]

約数ペア:

[(1, 201495231), (3, 67165077), (7, 28785033), (9, 22388359), (21, 9595011), (63, 3198337), (71, 2837961), (107, 1883133), (213, 945987), (321, 627711), (421, 478611), (497, 405423), (639, 315329), (749, 269019), (963, 209237), (1263, 159537), (1491, 135141), (2247, 89673), (2947, 68373), (3789, 53179), (4473, 45047), (6741, 29891), (7597, 26523), (8841, 22791)]