207908421

素因数分解:

$3^1\times 7^3\times {\mathrm{202049}}^1$

素因数の和:202073

約数の個数: 16

約数和(自身を含む): 323280000

約数和(自身を除く): 115371579

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 202049, 606147, 1414343, 4243029, 9900401, 29701203, 69302807, 207908421]

約数ペア:

[(1, 207908421), (3, 69302807), (7, 29701203), (21, 9900401), (49, 4243029), (147, 1414343), (343, 606147), (1029, 202049)]