243806787

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 429649920

約数和(自身を除く): 185843133

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 73, 123, 189, 219, 287, 369, 431, 511, 657, 861, 1107, 1293, 1533, 1971, 2583, 2993, 3017, 3879, 4599, 7749, 8979, 9051, 11637, 13797, 17671, 20951, 26937, 27153, 31463, 53013, 62853, 80811, 81459, 94389, 123697, 159039, 188559, 220241, 283167, 371091, 477117, 565677, 660723, 849501, 1113273, 1289983, 1982169, 3339819, 3869949, 5946507, 9029881, 11609847, 27089643, 34829541, 81268929, 243806787]

約数ペア:

[(1, 243806787), (3, 81268929), (7, 34829541), (9, 27089643), (21, 11609847), (27, 9029881), (41, 5946507), (63, 3869949), (73, 3339819), (123, 1982169), (189, 1289983), (219, 1113273), (287, 849501), (369, 660723), (431, 565677), (511, 477117), (657, 371091), (861, 283167), (1107, 220241), (1293, 188559), (1533, 159039), (1971, 123697), (2583, 94389), (2993, 81459), (3017, 80811), (3879, 62853), (4599, 53013), (7749, 31463), (8979, 27153), (9051, 26937), (11637, 20951), (13797, 17671)]