28703211

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 38868000

約数和(自身を除く): 10164789

約数列:

[1, 3, 149, 157, 409, 447, 471, 1227, 23393, 60941, 64213, 70179, 182823, 192639, 9567737, 28703211]

約数ペア:

[(1, 28703211), (3, 9567737), (149, 192639), (157, 182823), (409, 70179), (447, 64213), (471, 60941), (1227, 23393)]