28204479

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 43675632

約数和(自身を除く): 15471153

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 2221, 4233, 6663, 12699, 19989, 37757, 113271, 184343, 339813, 553029, 1659087, 3133831, 9401493, 28204479]

約数ペア:

[(1, 28204479), (3, 9401493), (9, 3133831), (17, 1659087), (51, 553029), (83, 339813), (153, 184343), (249, 113271), (747, 37757), (1411, 19989), (2221, 12699), (4233, 6663)]