2801379

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2123421

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 59, 119, 133, 147, 177, 323, 357, 399, 413, 833, 931, 969, 1003, 1121, 1239, 2261, 2499, 2793, 2891, 3009, 3363, 6783, 7021, 7847, 8673, 15827, 19057, 21063, 23541, 47481, 49147, 54929, 57171, 133399, 147441, 164787, 400197, 933793, 2801379]

約数ペア:

[(1, 2801379), (3, 933793), (7, 400197), (17, 164787), (19, 147441), (21, 133399), (49, 57171), (51, 54929), (57, 49147), (59, 47481), (119, 23541), (133, 21063), (147, 19057), (177, 15827), (323, 8673), (357, 7847), (399, 7021), (413, 6783), (833, 3363), (931, 3009), (969, 2891), (1003, 2793), (1121, 2499), (1239, 2261)]