2205459

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 18

約数和(自身を含む): 3292380

約数和(自身を除く): 1086921

約数列:

[1, 3, 9, 37, 111, 179, 333, 537, 1369, 1611, 4107, 6623, 12321, 19869, 59607, 245051, 735153, 2205459]

約数ペア:

[(1, 2205459), (3, 735153), (9, 245051), (37, 59607), (111, 19869), (179, 12321), (333, 6623), (537, 4107), (1369, 1611)]