72982021

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 90005280

約数和(自身を除く): 17023259

約数列:

[1, 7, 19, 49, 133, 277, 283, 931, 1939, 1981, 5263, 5377, 13573, 13867, 36841, 37639, 78391, 257887, 263473, 548737, 1489429, 3841159, 10426003, 72982021]

約数ペア:

[(1, 72982021), (7, 10426003), (19, 3841159), (49, 1489429), (133, 548737), (277, 263473), (283, 257887), (931, 78391), (1939, 37639), (1981, 36841), (5263, 13867), (5377, 13573)]