221139523

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2393}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 250048512

約数和(自身を除く): 28908989

約数列:

[1, 11, 31, 271, 341, 2393, 2981, 8401, 26323, 74183, 92411, 648503, 816013, 7133533, 20103593, 221139523]

約数ペア:

[(1, 221139523), (11, 20103593), (31, 7133533), (271, 816013), (341, 648503), (2393, 92411), (2981, 74183), (8401, 26323)]