178128909

素因数分解:

$3^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1723}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 302320640

約数和(自身を除く): 124191731

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 547, 1641, 1723, 3829, 4923, 5169, 11487, 12061, 14769, 15507, 34461, 36183, 46521, 103383, 108549, 325647, 942481, 2827443, 6597367, 8482329, 19792101, 25446987, 59376303, 178128909]

約数ペア:

[(1, 178128909), (3, 59376303), (7, 25446987), (9, 19792101), (21, 8482329), (27, 6597367), (63, 2827443), (189, 942481), (547, 325647), (1641, 108549), (1723, 103383), (3829, 46521), (4923, 36183), (5169, 34461), (11487, 15507), (12061, 14769)]