64781985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{254047}}^1$

素因数の和:254072

約数の個数: 16

約数和(自身を含む): 109748736

約数和(自身を除く): 44966751

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 254047, 762141, 1270235, 3810705, 4318799, 12956397, 21593995, 64781985]

約数ペア:

[(1, 64781985), (3, 21593995), (5, 12956397), (15, 4318799), (17, 3810705), (51, 1270235), (85, 762141), (255, 254047)]