687738627

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{4129}}^1$

素因数の和:4368

約数の個数: 32

約数和(自身を含む): 1057280000

約数和(自身を除く): 369541373

約数列:

[1, 3, 9, 27, 31, 93, 199, 279, 597, 837, 1791, 4129, 5373, 6169, 12387, 18507, 37161, 55521, 111483, 127999, 166563, 383997, 821671, 1151991, 2465013, 3455973, 7395039, 22185117, 25471801, 76415403, 229246209, 687738627]

約数ペア:

[(1, 687738627), (3, 229246209), (9, 76415403), (27, 25471801), (31, 22185117), (93, 7395039), (199, 3455973), (279, 2465013), (597, 1151991), (837, 821671), (1791, 383997), (4129, 166563), (5373, 127999), (6169, 111483), (12387, 55521), (18507, 37161)]