19970253

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15737}}^1$

素因数の和:15793

約数の個数: 16

約数和(自身を含む): 30216960

約数和(自身を除く): 10246707

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15737, 47211, 141633, 424899, 739639, 2218917, 6656751, 19970253]

約数ペア:

[(1, 19970253), (3, 6656751), (9, 2218917), (27, 739639), (47, 424899), (141, 141633), (423, 47211), (1269, 15737)]