135787281

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 225610560

約数和(自身を除く): 89823279

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 133, 147, 183, 399, 427, 797, 931, 1159, 1281, 2391, 2793, 2989, 3477, 5579, 8113, 8967, 15143, 16737, 24339, 39053, 45429, 48617, 56791, 106001, 117159, 145851, 170373, 318003, 340319, 742007, 923723, 1020957, 2226021, 2382233, 2771169, 6466061, 7146699, 19398183, 45262427, 135787281]

約数ペア:

[(1, 135787281), (3, 45262427), (7, 19398183), (19, 7146699), (21, 6466061), (49, 2771169), (57, 2382233), (61, 2226021), (133, 1020957), (147, 923723), (183, 742007), (399, 340319), (427, 318003), (797, 170373), (931, 145851), (1159, 117159), (1281, 106001), (2391, 56791), (2793, 48617), (2989, 45429), (3477, 39053), (5579, 24339), (8113, 16737), (8967, 15143)]