7905807

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 14414400

約数和(自身を除く): 6508593

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 197, 273, 343, 441, 591, 637, 819, 1029, 1379, 1773, 1911, 2561, 3087, 4137, 4459, 5733, 7683, 9653, 12411, 13377, 17927, 23049, 28959, 40131, 53781, 67571, 86877, 125489, 161343, 202713, 376467, 608139, 878423, 1129401, 2635269, 7905807]

約数ペア:

[(1, 7905807), (3, 2635269), (7, 1129401), (9, 878423), (13, 608139), (21, 376467), (39, 202713), (49, 161343), (63, 125489), (91, 86877), (117, 67571), (147, 53781), (197, 40131), (273, 28959), (343, 23049), (441, 17927), (591, 13377), (637, 12411), (819, 9653), (1029, 7683), (1379, 5733), (1773, 4459), (1911, 4137), (2561, 3087)]