238409973

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 380888640

約数和(自身を除く): 142478667

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 241, 243, 531, 621, 723, 729, 1357, 1593, 1863, 2169, 4071, 4779, 5543, 5589, 6507, 12213, 14219, 14337, 16629, 16767, 19521, 36639, 42657, 43011, 49887, 58563, 109917, 127971, 149661, 175689, 327037, 329751, 383913, 448983, 981111, 989253, 1151739, 1346949, 2943333, 3455217, 4040847, 8829999, 10365651, 26489997, 79469991, 238409973]

約数ペア:

[(1, 238409973), (3, 79469991), (9, 26489997), (23, 10365651), (27, 8829999), (59, 4040847), (69, 3455217), (81, 2943333), (177, 1346949), (207, 1151739), (241, 989253), (243, 981111), (531, 448983), (621, 383913), (723, 329751), (729, 327037), (1357, 175689), (1593, 149661), (1863, 127971), (2169, 109917), (4071, 58563), (4779, 49887), (5543, 43011), (5589, 42657), (6507, 36639), (12213, 19521), (14219, 16767), (14337, 16629)]