27797778

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21751}}^1$

素因数の和:21830

約数の個数: 24

約数和(自身を含む): 61079616

約数和(自身を除く): 33281838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 21751, 43502, 65253, 130506, 195759, 391518, 1544321, 3088642, 4632963, 9265926, 13898889, 27797778]

約数ペア:

[(1, 27797778), (2, 13898889), (3, 9265926), (6, 4632963), (9, 3088642), (18, 1544321), (71, 391518), (142, 195759), (213, 130506), (426, 65253), (639, 43502), (1278, 21751)]