28913319

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2357}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 44141760

約数和(自身を除く): 15228441

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 2357, 4089, 7071, 12267, 21213, 68353, 110779, 205059, 332337, 615177, 997011, 3212591, 9637773, 28913319]

約数ペア:

[(1, 28913319), (3, 9637773), (9, 3212591), (29, 997011), (47, 615177), (87, 332337), (141, 205059), (261, 110779), (423, 68353), (1363, 21213), (2357, 12267), (4089, 7071)]