6249999

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 10686816

約数和(自身を除く): 4436817

約数列:

[1, 3, 7, 17, 21, 41, 49, 51, 61, 119, 123, 147, 183, 287, 357, 427, 697, 833, 861, 1037, 1281, 2009, 2091, 2499, 2501, 2989, 3111, 4879, 6027, 7259, 7503, 8967, 14637, 17507, 21777, 34153, 42517, 50813, 52521, 102459, 122549, 127551, 152439, 297619, 367647, 892857, 2083333, 6249999]

約数ペア:

[(1, 6249999), (3, 2083333), (7, 892857), (17, 367647), (21, 297619), (41, 152439), (49, 127551), (51, 122549), (61, 102459), (119, 52521), (123, 50813), (147, 42517), (183, 34153), (287, 21777), (357, 17507), (427, 14637), (697, 8967), (833, 7503), (861, 7259), (1037, 6027), (1281, 4879), (2009, 3111), (2091, 2989), (2499, 2501)]