205866615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7013}}^1$

素因数の和:7143

約数の個数: 32

約数和(自身を含む): 350138880

約数和(自身を除く): 144272265

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 5871, 7013, 9785, 21039, 29355, 35065, 105195, 133247, 399741, 666235, 722339, 1998705, 2167017, 3611695, 10835085, 13724441, 41173323, 68622205, 205866615]

約数ペア:

[(1, 205866615), (3, 68622205), (5, 41173323), (15, 13724441), (19, 10835085), (57, 3611695), (95, 2167017), (103, 1998705), (285, 722339), (309, 666235), (515, 399741), (1545, 133247), (1957, 105195), (5871, 35065), (7013, 29355), (9785, 21039)]