29981903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2654

約数の個数: 16

約数和(自身を含む): 36258816

約数和(自身を除く): 6276913

約数列:

[1, 7, 23, 73, 161, 511, 1679, 2551, 11753, 17857, 58673, 186223, 410711, 1303561, 4283129, 29981903]

約数ペア:

[(1, 29981903), (7, 4283129), (23, 1303561), (73, 410711), (161, 186223), (511, 58673), (1679, 17857), (2551, 11753)]