13470639

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 10721361

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 53, 57, 91, 133, 147, 159, 247, 273, 343, 371, 399, 637, 689, 741, 931, 1007, 1029, 1113, 1729, 1911, 2067, 2597, 2793, 3021, 4459, 4823, 5187, 6517, 7049, 7791, 12103, 13091, 13377, 14469, 18179, 19551, 21147, 33761, 36309, 39273, 49343, 54537, 84721, 91637, 101283, 148029, 236327, 254163, 274911, 345401, 641459, 708981, 1036203, 1924377, 4490213, 13470639]

約数ペア:

[(1, 13470639), (3, 4490213), (7, 1924377), (13, 1036203), (19, 708981), (21, 641459), (39, 345401), (49, 274911), (53, 254163), (57, 236327), (91, 148029), (133, 101283), (147, 91637), (159, 84721), (247, 54537), (273, 49343), (343, 39273), (371, 36309), (399, 33761), (637, 21147), (689, 19551), (741, 18179), (931, 14469), (1007, 13377), (1029, 13091), (1113, 12103), (1729, 7791), (1911, 7049), (2067, 6517), (2597, 5187), (2793, 4823), (3021, 4459)]