1222361

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 1486848

約数和(自身を除く): 264487

約数列:

[1, 7, 31, 43, 131, 217, 301, 917, 1333, 4061, 5633, 9331, 28427, 39431, 174623, 1222361]

約数ペア:

[(1, 1222361), (7, 174623), (31, 39431), (43, 28427), (131, 9331), (217, 5633), (301, 4061), (917, 1333)]