16639371

素因数分解:

$3^3\times 7^2\times {\mathrm{12577}}^1$

素因数の和:12600

約数の個数: 24

約数和(自身を含む): 28677840

約数和(自身を除く): 12038469

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12577, 37731, 88039, 113193, 264117, 339579, 616273, 792351, 1848819, 2377053, 5546457, 16639371]

約数ペア:

[(1, 16639371), (3, 5546457), (7, 2377053), (9, 1848819), (21, 792351), (27, 616273), (49, 339579), (63, 264117), (147, 113193), (189, 88039), (441, 37731), (1323, 12577)]