724892409

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2851}}^1$

素因数の和:2979

約数の個数: 40

約数和(自身を含む): 1123619552

約数和(自身を除く): 398727143

約数列:

[1, 3, 9, 27, 43, 73, 81, 129, 219, 387, 657, 1161, 1971, 2851, 3139, 3483, 5913, 8553, 9417, 25659, 28251, 76977, 84753, 122593, 208123, 230931, 254259, 367779, 624369, 1103337, 1873107, 3310011, 5619321, 8949289, 9930033, 16857963, 26847867, 80543601, 241630803, 724892409]

約数ペア:

[(1, 724892409), (3, 241630803), (9, 80543601), (27, 26847867), (43, 16857963), (73, 9930033), (81, 8949289), (129, 5619321), (219, 3310011), (387, 1873107), (657, 1103337), (1161, 624369), (1971, 367779), (2851, 254259), (3139, 230931), (3483, 208123), (5913, 122593), (8553, 84753), (9417, 76977), (25659, 28251)]