258889779

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{881}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 379203552

約数和(自身を除く): 120313773

約数列:

[1, 3, 9, 103, 309, 317, 881, 927, 951, 2643, 2853, 7929, 32651, 90743, 97953, 272229, 279277, 293859, 816687, 837831, 2513493, 28765531, 86296593, 258889779]

約数ペア:

[(1, 258889779), (3, 86296593), (9, 28765531), (103, 2513493), (309, 837831), (317, 816687), (881, 293859), (927, 279277), (951, 272229), (2643, 97953), (2853, 90743), (7929, 32651)]