206105985

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4973}}^1$

素因数の和:5294

約数の個数: 32

約数和(自身を含む): 367678080

約数和(自身を除く): 161572095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 921, 1535, 2763, 4605, 4973, 8289, 13815, 14919, 24865, 41445, 44757, 74595, 134271, 223785, 671355, 1526711, 4580133, 7633555, 13740399, 22900665, 41221197, 68701995, 206105985]

約数ペア:

[(1, 206105985), (3, 68701995), (5, 41221197), (9, 22900665), (15, 13740399), (27, 7633555), (45, 4580133), (135, 1526711), (307, 671355), (921, 223785), (1535, 134271), (2763, 74595), (4605, 44757), (4973, 41445), (8289, 24865), (13815, 14919)]