207910143

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{54101}}^1$

素因数の和:54175

約数の個数: 24

約数和(自身を含む): 348849696

約数和(自身を除く): 140939553

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 54101, 162303, 378707, 486909, 1136121, 3300161, 3408363, 9900483, 23101127, 29701449, 69303381, 207910143]

約数ペア:

[(1, 207910143), (3, 69303381), (7, 29701449), (9, 23101127), (21, 9900483), (61, 3408363), (63, 3300161), (183, 1136121), (427, 486909), (549, 378707), (1281, 162303), (3843, 54101)]