16688961

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 25846080

約数和(自身を除く): 9157119

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2179, 2553, 6537, 7659, 19611, 50117, 80623, 150351, 241869, 451053, 725607, 1854329, 5562987, 16688961]

約数ペア:

[(1, 16688961), (3, 5562987), (9, 1854329), (23, 725607), (37, 451053), (69, 241869), (111, 150351), (207, 80623), (333, 50117), (851, 19611), (2179, 7659), (2553, 6537)]