128260365

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 208863360

約数和(自身を除く): 80602995

約数列:

[1, 3, 5, 15, 107, 157, 321, 471, 509, 535, 785, 1527, 1605, 2355, 2545, 7635, 16799, 50397, 54463, 79913, 83995, 163389, 239739, 251985, 272315, 399565, 816945, 1198695, 8550691, 25652073, 42753455, 128260365]

約数ペア:

[(1, 128260365), (3, 42753455), (5, 25652073), (15, 8550691), (107, 1198695), (157, 816945), (321, 399565), (471, 272315), (509, 251985), (535, 239739), (785, 163389), (1527, 83995), (1605, 79913), (2355, 54463), (2545, 50397), (7635, 16799)]