16615851

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 27989280

約数和(自身を除く): 11373429

約数列:

[1, 3, 7, 17, 21, 49, 51, 61, 109, 119, 147, 183, 327, 357, 427, 763, 833, 1037, 1281, 1853, 2289, 2499, 2989, 3111, 5341, 5559, 6649, 7259, 8967, 12971, 16023, 19947, 21777, 38913, 46543, 50813, 90797, 113033, 139629, 152439, 272391, 325801, 339099, 791231, 977403, 2373693, 5538617, 16615851]

約数ペア:

[(1, 16615851), (3, 5538617), (7, 2373693), (17, 977403), (21, 791231), (49, 339099), (51, 325801), (61, 272391), (109, 152439), (119, 139629), (147, 113033), (183, 90797), (327, 50813), (357, 46543), (427, 38913), (763, 21777), (833, 19947), (1037, 16023), (1281, 12971), (1853, 8967), (2289, 7259), (2499, 6649), (2989, 5559), (3111, 5341)]