16891605

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{593}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 30222720

約数和(自身を除く): 13331115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 593, 633, 1055, 1779, 1899, 2965, 3165, 5337, 5697, 8895, 9495, 16011, 26685, 28485, 80055, 125123, 375369, 625615, 1126107, 1876845, 3378321, 5630535, 16891605]

約数ペア:

[(1, 16891605), (3, 5630535), (5, 3378321), (9, 1876845), (15, 1126107), (27, 625615), (45, 375369), (135, 125123), (211, 80055), (593, 28485), (633, 26685), (1055, 16011), (1779, 9495), (1899, 8895), (2965, 5697), (3165, 5337)]