142661985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 239258880

約数和(自身を除く): 96596895

約数列:

[1, 3, 5, 15, 23, 69, 115, 257, 345, 771, 1285, 1609, 3855, 4827, 5911, 8045, 17733, 24135, 29555, 37007, 88665, 111021, 185035, 413513, 555105, 1240539, 2067565, 6202695, 9510799, 28532397, 47553995, 142661985]

約数ペア:

[(1, 142661985), (3, 47553995), (5, 28532397), (15, 9510799), (23, 6202695), (69, 2067565), (115, 1240539), (257, 555105), (345, 413513), (771, 185035), (1285, 111021), (1609, 88665), (3855, 37007), (4827, 29555), (5911, 24135), (8045, 17733)]