16890741

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 30862080

約数和(自身を除く): 13971339

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 751, 833, 1071, 1323, 2253, 2499, 3213, 5257, 6759, 7497, 12767, 15771, 20277, 22491, 36799, 38301, 47313, 89369, 110397, 114903, 141939, 268107, 331191, 344709, 625583, 804321, 993573, 1876749, 2412963, 5630247, 16890741]

約数ペア:

[(1, 16890741), (3, 5630247), (7, 2412963), (9, 1876749), (17, 993573), (21, 804321), (27, 625583), (49, 344709), (51, 331191), (63, 268107), (119, 141939), (147, 114903), (153, 110397), (189, 89369), (357, 47313), (441, 38301), (459, 36799), (751, 22491), (833, 20277), (1071, 15771), (1323, 12767), (2253, 7497), (2499, 6759), (3213, 5257)]