27380205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20981}}^1$

素因数の和:21021

約数の個数: 24

約数和(自身を含む): 49097880

約数和(自身を除く): 21717675

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 20981, 62943, 104905, 188829, 314715, 608449, 944145, 1825347, 3042245, 5476041, 9126735, 27380205]

約数ペア:

[(1, 27380205), (3, 9126735), (5, 5476041), (9, 3042245), (15, 1825347), (29, 944145), (45, 608449), (87, 314715), (145, 188829), (261, 104905), (435, 62943), (1305, 20981)]