128936367

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9887}}^1$

素因数の和:9929

約数の個数: 40

約数和(自身を含む): 229718016

約数和(自身を除く): 100781649

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 9887, 13041, 29661, 69209, 88983, 207627, 227401, 266949, 622881, 682203, 800847, 1591807, 1868643, 2046609, 4775421, 5605929, 6139827, 14326263, 18419481, 42978789, 128936367]

約数ペア:

[(1, 128936367), (3, 42978789), (7, 18419481), (9, 14326263), (21, 6139827), (23, 5605929), (27, 4775421), (63, 2046609), (69, 1868643), (81, 1591807), (161, 800847), (189, 682203), (207, 622881), (483, 266949), (567, 227401), (621, 207627), (1449, 88983), (1863, 69209), (4347, 29661), (9887, 13041)]