201805947

素因数分解:

$3^2\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{2039}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 333515520

約数和(自身を除く): 131709573

約数列:

[1, 3, 7, 9, 21, 63, 1571, 2039, 4713, 6117, 10997, 14139, 14273, 18351, 32991, 42819, 98973, 128457, 3203269, 9609807, 22422883, 28829421, 67268649, 201805947]

約数ペア:

[(1, 201805947), (3, 67268649), (7, 28829421), (9, 22422883), (21, 9609807), (63, 3203269), (1571, 128457), (2039, 98973), (4713, 42819), (6117, 32991), (10997, 18351), (14139, 14273)]