64710009

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8779}}^1$

素因数の和:8811

約数の個数: 40

約数和(自身を含む): 118986560

約数和(自身を除く): 54276551

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 8779, 26337, 61453, 79011, 114127, 184359, 237033, 342381, 553077, 711099, 798889, 1027143, 1659231, 2396667, 3081429, 4977693, 7190001, 9244287, 21570003, 64710009]

約数ペア:

[(1, 64710009), (3, 21570003), (7, 9244287), (9, 7190001), (13, 4977693), (21, 3081429), (27, 2396667), (39, 1659231), (63, 1027143), (81, 798889), (91, 711099), (117, 553077), (189, 342381), (273, 237033), (351, 184359), (567, 114127), (819, 79011), (1053, 61453), (2457, 26337), (7371, 8779)]