391444221

素因数分解:

$3^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{9419}}^1$

素因数の和:11408

約数の個数: 16

約数和(自身を含む): 596851200

約数和(自身を除く): 205406979

約数列:

[1, 3, 7, 21, 1979, 5937, 9419, 13853, 28257, 41559, 65933, 197799, 18640201, 55920603, 130481407, 391444221]

約数ペア:

[(1, 391444221), (3, 130481407), (7, 55920603), (21, 18640201), (1979, 197799), (5937, 65933), (9419, 41559), (13853, 28257)]