2141573

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 2580480

約数和(自身を除く): 438907

約数列:

[1, 7, 31, 71, 139, 217, 497, 973, 2201, 4309, 9869, 15407, 30163, 69083, 305939, 2141573]

約数ペア:

[(1, 2141573), (7, 305939), (31, 69083), (71, 30163), (139, 15407), (217, 9869), (497, 4309), (973, 2201)]