1388977587

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{16661}}^1$

素因数の和:16883

約数の個数: 24

約数和(自身を含む): 2053424880

約数和(自身を除く): 664447293

約数列:

[1, 3, 9, 59, 157, 177, 471, 531, 1413, 9263, 16661, 27789, 49983, 83367, 149949, 982999, 2615777, 2948997, 7847331, 8846991, 23541993, 154330843, 462992529, 1388977587]

約数ペア:

[(1, 1388977587), (3, 462992529), (9, 154330843), (59, 23541993), (157, 8846991), (177, 7847331), (471, 2948997), (531, 2615777), (1413, 982999), (9263, 149949), (16661, 83367), (27789, 49983)]