138815565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21673}}^1$

素因数の和:21749

約数の個数: 32

約数和(自身を含む): 258007296

約数和(自身を除く): 119191731

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 21673, 65019, 108365, 151711, 325095, 455133, 758555, 1322053, 2275665, 3966159, 6610265, 9254371, 19830795, 27763113, 46271855, 138815565]

約数ペア:

[(1, 138815565), (3, 46271855), (5, 27763113), (7, 19830795), (15, 9254371), (21, 6610265), (35, 3966159), (61, 2275665), (105, 1322053), (183, 758555), (305, 455133), (427, 325095), (915, 151711), (1281, 108365), (2135, 65019), (6405, 21673)]