78974469

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 145342080

約数和(自身を除く): 66367611

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 3881, 6783, 11643, 20349, 27167, 34929, 65977, 73739, 81501, 197931, 221217, 244503, 461839, 516173, 593793, 663651, 1253563, 1385517, 1548519, 3760689, 4156551, 4645557, 8774941, 11282067, 26324823, 78974469]

約数ペア:

[(1, 78974469), (3, 26324823), (7, 11282067), (9, 8774941), (17, 4645557), (19, 4156551), (21, 3760689), (51, 1548519), (57, 1385517), (63, 1253563), (119, 663651), (133, 593793), (153, 516173), (171, 461839), (323, 244503), (357, 221217), (399, 197931), (969, 81501), (1071, 73739), (1197, 65977), (2261, 34929), (2907, 27167), (3881, 20349), (6783, 11643)]