220161771

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1979}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 326177280

約数和(自身を除く): 106015509

約数列:

[1, 3, 9, 47, 141, 263, 423, 789, 1979, 2367, 5937, 12361, 17811, 37083, 93013, 111249, 279039, 520477, 837117, 1561431, 4684293, 24462419, 73387257, 220161771]

約数ペア:

[(1, 220161771), (3, 73387257), (9, 24462419), (47, 4684293), (141, 1561431), (263, 837117), (423, 520477), (789, 279039), (1979, 111249), (2367, 93013), (5937, 37083), (12361, 17811)]