205121241

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 332728704

約数和(自身を除く): 127607463

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 351, 393, 1053, 1179, 1487, 1703, 3537, 4461, 5109, 10611, 13383, 15327, 19331, 40149, 45981, 57993, 120447, 137943, 173979, 194797, 521937, 584391, 1565811, 1753173, 2532361, 5259519, 7597083, 15778557, 22791249, 68373747, 205121241]

約数ペア:

[(1, 205121241), (3, 68373747), (9, 22791249), (13, 15778557), (27, 7597083), (39, 5259519), (81, 2532361), (117, 1753173), (131, 1565811), (351, 584391), (393, 521937), (1053, 194797), (1179, 173979), (1487, 137943), (1703, 120447), (3537, 57993), (4461, 45981), (5109, 40149), (10611, 19331), (13383, 15327)]