205656477

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 302937600

約数和(自身を除く): 97281123

約数列:

[1, 3, 13, 39, 59, 139, 177, 417, 643, 767, 1807, 1929, 2301, 5421, 8201, 8359, 24603, 25077, 37937, 89377, 106613, 113811, 268131, 319839, 493181, 1161901, 1479543, 3485703, 5273243, 15819729, 68552159, 205656477]

約数ペア:

[(1, 205656477), (3, 68552159), (13, 15819729), (39, 5273243), (59, 3485703), (139, 1479543), (177, 1161901), (417, 493181), (643, 319839), (767, 268131), (1807, 113811), (1929, 106613), (2301, 89377), (5421, 37937), (8201, 25077), (8359, 24603)]