271998

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:110

約数の個数: 40

約数和(自身を含む): 644688

約数和(自身を除く): 372690

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 73, 81, 138, 146, 162, 207, 219, 414, 438, 621, 657, 1242, 1314, 1679, 1863, 1971, 3358, 3726, 3942, 5037, 5913, 10074, 11826, 15111, 30222, 45333, 90666, 135999, 271998]

約数ペア:

[(1, 271998), (2, 135999), (3, 90666), (6, 45333), (9, 30222), (18, 15111), (23, 11826), (27, 10074), (46, 5913), (54, 5037), (69, 3942), (73, 3726), (81, 3358), (138, 1971), (146, 1863), (162, 1679), (207, 1314), (219, 1242), (414, 657), (438, 621)]