641887911

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{32141}}^1$

素因数の和:32471

約数の個数: 24

約数和(自身を含む): 1063000224

約数和(自身を除く): 421112313

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 19971, 32141, 96423, 224987, 289269, 674961, 2024883, 10188697, 30566091, 71320879, 91698273, 213962637, 641887911]

約数ペア:

[(1, 641887911), (3, 213962637), (7, 91698273), (9, 71320879), (21, 30566091), (63, 10188697), (317, 2024883), (951, 674961), (2219, 289269), (2853, 224987), (6657, 96423), (19971, 32141)]