2008497771

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23633}}^1$

素因数の和:23736

約数の個数: 48

約数和(自身を含む): 3539427840

約数和(自身を除く): 1530930069

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 4047, 4473, 9443, 12141, 23633, 28329, 70899, 84987, 165431, 212697, 449027, 496293, 1347081, 1488879, 1677943, 3143189, 4041243, 5033829, 9429567, 11745601, 15101487, 28288701, 31880917, 35236803, 95642751, 105710409, 223166419, 286928253, 669499257, 2008497771]

約数ペア:

[(1, 2008497771), (3, 669499257), (7, 286928253), (9, 223166419), (19, 105710409), (21, 95642751), (57, 35236803), (63, 31880917), (71, 28288701), (133, 15101487), (171, 11745601), (213, 9429567), (399, 5033829), (497, 4041243), (639, 3143189), (1197, 1677943), (1349, 1488879), (1491, 1347081), (4047, 496293), (4473, 449027), (9443, 212697), (12141, 165431), (23633, 84987), (28329, 70899)]