218103489

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 365472000

約数和(自身を除く): 147368511

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 89, 153, 171, 267, 281, 323, 459, 513, 801, 843, 969, 1513, 1691, 2403, 2529, 2907, 4539, 4777, 5073, 5339, 7587, 8721, 13617, 14331, 15219, 16017, 25009, 28747, 40851, 42993, 45657, 48051, 75027, 86241, 90763, 128979, 144153, 225081, 258723, 272289, 425153, 475171, 675243, 776169, 816867, 1275459, 1425513, 2450601, 3826377, 4276539, 8077907, 11479131, 12829617, 24233721, 72701163, 218103489]

約数ペア:

[(1, 218103489), (3, 72701163), (9, 24233721), (17, 12829617), (19, 11479131), (27, 8077907), (51, 4276539), (57, 3826377), (89, 2450601), (153, 1425513), (171, 1275459), (267, 816867), (281, 776169), (323, 675243), (459, 475171), (513, 425153), (801, 272289), (843, 258723), (969, 225081), (1513, 144153), (1691, 128979), (2403, 90763), (2529, 86241), (2907, 75027), (4539, 48051), (4777, 45657), (5073, 42993), (5339, 40851), (7587, 28747), (8721, 25009), (13617, 16017), (14331, 15219)]