23717421

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 20634579

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 197, 273, 343, 351, 441, 591, 637, 819, 1029, 1323, 1379, 1773, 1911, 2457, 2561, 3087, 4137, 4459, 5319, 5733, 7683, 9261, 9653, 12411, 13377, 17199, 17927, 23049, 28959, 37233, 40131, 53781, 67571, 69147, 86877, 120393, 125489, 161343, 202713, 260631, 376467, 484029, 608139, 878423, 1129401, 1824417, 2635269, 3388203, 7905807, 23717421]

約数ペア:

[(1, 23717421), (3, 7905807), (7, 3388203), (9, 2635269), (13, 1824417), (21, 1129401), (27, 878423), (39, 608139), (49, 484029), (63, 376467), (91, 260631), (117, 202713), (147, 161343), (189, 125489), (197, 120393), (273, 86877), (343, 69147), (351, 67571), (441, 53781), (591, 40131), (637, 37233), (819, 28959), (1029, 23049), (1323, 17927), (1379, 17199), (1773, 13377), (1911, 12411), (2457, 9653), (2561, 9261), (3087, 7683), (4137, 5733), (4459, 5319)]