1998974691

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{4957}}^1$

素因数の和:5180

約数の個数: 48

約数和(自身を含む): 3409358784

約数和(自身を除く): 1410384093

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 173, 259, 333, 519, 777, 1211, 1557, 2331, 3633, 4957, 6401, 10899, 14871, 19203, 34699, 44613, 44807, 57609, 104097, 134421, 183409, 312291, 403263, 550227, 857561, 1283863, 1650681, 2572683, 3851589, 6002927, 7718049, 11554767, 18008781, 31729757, 54026343, 95189271, 222108299, 285567813, 666324897, 1998974691]

約数ペア:

[(1, 1998974691), (3, 666324897), (7, 285567813), (9, 222108299), (21, 95189271), (37, 54026343), (63, 31729757), (111, 18008781), (173, 11554767), (259, 7718049), (333, 6002927), (519, 3851589), (777, 2572683), (1211, 1650681), (1557, 1283863), (2331, 857561), (3633, 550227), (4957, 403263), (6401, 312291), (10899, 183409), (14871, 134421), (19203, 104097), (34699, 57609), (44613, 44807)]