4049451

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 7488000

約数和(自身を除く): 3438549

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 199, 323, 357, 399, 597, 969, 1071, 1197, 1393, 1791, 2261, 2907, 3383, 3781, 4179, 6783, 10149, 11343, 12537, 20349, 23681, 26467, 30447, 34029, 64277, 71043, 79401, 192831, 213129, 238203, 449939, 578493, 1349817, 4049451]

約数ペア:

[(1, 4049451), (3, 1349817), (7, 578493), (9, 449939), (17, 238203), (19, 213129), (21, 192831), (51, 79401), (57, 71043), (63, 64277), (119, 34029), (133, 30447), (153, 26467), (171, 23681), (199, 20349), (323, 12537), (357, 11343), (399, 10149), (597, 6783), (969, 4179), (1071, 3781), (1197, 3383), (1393, 2907), (1791, 2261)]