4388607

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 7004160

約数和(自身を除く): 2615553

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 191, 207, 333, 573, 621, 851, 999, 1719, 2553, 4393, 5157, 7067, 7659, 13179, 21201, 22977, 39537, 63603, 118611, 162541, 190809, 487623, 1462869, 4388607]

約数ペア:

[(1, 4388607), (3, 1462869), (9, 487623), (23, 190809), (27, 162541), (37, 118611), (69, 63603), (111, 39537), (191, 22977), (207, 21201), (333, 13179), (573, 7659), (621, 7067), (851, 5157), (999, 4393), (1719, 2553)]