43749993

素因数分解:

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

素因数の和:143

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 31245207

約数列:

[1, 3, 7, 17, 21, 41, 49, 51, 61, 119, 123, 147, 183, 287, 343, 357, 427, 697, 833, 861, 1029, 1037, 1281, 2009, 2091, 2499, 2501, 2989, 3111, 4879, 5831, 6027, 7259, 7503, 8967, 14063, 14637, 17493, 17507, 20923, 21777, 34153, 42189, 42517, 50813, 52521, 62769, 102459, 122549, 127551, 152439, 239071, 297619, 355691, 367647, 717213, 857843, 892857, 1067073, 2083333, 2573529, 6249999, 14583331, 43749993]

約数ペア:

[(1, 43749993), (3, 14583331), (7, 6249999), (17, 2573529), (21, 2083333), (41, 1067073), (49, 892857), (51, 857843), (61, 717213), (119, 367647), (123, 355691), (147, 297619), (183, 239071), (287, 152439), (343, 127551), (357, 122549), (427, 102459), (697, 62769), (833, 52521), (861, 50813), (1029, 42517), (1037, 42189), (1281, 34153), (2009, 21777), (2091, 20923), (2499, 17507), (2501, 17493), (2989, 14637), (3111, 14063), (4879, 8967), (5831, 7503), (6027, 7259)]