398401143

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{73819}}^1$

素因数の和:74086

約数の個数: 16

約数和(自身を含む): 609457920

約数和(自身を除く): 211056777

約数列:

[1, 3, 7, 21, 257, 771, 1799, 5397, 73819, 221457, 516733, 1550199, 18971483, 56914449, 132800381, 398401143]

約数ペア:

[(1, 398401143), (3, 132800381), (7, 56914449), (21, 18971483), (257, 1550199), (771, 516733), (1799, 221457), (5397, 73819)]