27994491

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 48380640

約数和(自身を除く): 20386149

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 509, 567, 679, 873, 1527, 2037, 2619, 3563, 4581, 6111, 7857, 10689, 13743, 18333, 32067, 41229, 49373, 54999, 96201, 148119, 288603, 345611, 444357, 1036833, 1333071, 3110499, 3999213, 9331497, 27994491]

約数ペア:

[(1, 27994491), (3, 9331497), (7, 3999213), (9, 3110499), (21, 1333071), (27, 1036833), (63, 444357), (81, 345611), (97, 288603), (189, 148119), (291, 96201), (509, 54999), (567, 49373), (679, 41229), (873, 32067), (1527, 18333), (2037, 13743), (2619, 10689), (3563, 7857), (4581, 6111)]