16884959

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2039}}^1$

素因数の和:2079

約数の個数: 18

約数和(自身を含む): 21279240

約数和(自身を除く): 4394281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2039, 8281, 14273, 26507, 99911, 185549, 344591, 1298843, 2412137, 16884959]

約数ペア:

[(1, 16884959), (7, 2412137), (13, 1298843), (49, 344591), (91, 185549), (169, 99911), (637, 26507), (1183, 14273), (2039, 8281)]