81216054

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{9227}}^1$

素因数の和:9401

約数の個数: 32

約数和(自身を含む): 181607040

約数和(自身を除く): 100390986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2934, 4401, 8802, 9227, 18454, 27681, 55362, 83043, 166086, 249129, 498258, 1504001, 3008002, 4512003, 9024006, 13536009, 27072018, 40608027, 81216054]

約数ペア:

[(1, 81216054), (2, 40608027), (3, 27072018), (6, 13536009), (9, 9024006), (18, 4512003), (27, 3008002), (54, 1504001), (163, 498258), (326, 249129), (489, 166086), (978, 83043), (1467, 55362), (2934, 27681), (4401, 18454), (8802, 9227)]