404339391

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{210923}}^1$

素因数の和:211003

約数の個数: 16

約数和(自身を含む): 607461120

約数和(自身を除く): 203121729

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 210923, 632769, 1898307, 5694921, 14975533, 44926599, 134779797, 404339391]

約数ペア:

[(1, 404339391), (3, 134779797), (9, 44926599), (27, 14975533), (71, 5694921), (213, 1898307), (639, 632769), (1917, 210923)]