212319981

素因数分解:

$3^3\times {\mathrm{719}}^1\times {\mathrm{10937}}^1$

素因数の和:11665

約数の個数: 16

約数和(自身を含む): 315014400

約数和(自身を除く): 102694419

約数列:

[1, 3, 9, 27, 719, 2157, 6471, 10937, 19413, 32811, 98433, 295299, 7863703, 23591109, 70773327, 212319981]

約数ペア:

[(1, 212319981), (3, 70773327), (9, 23591109), (27, 7863703), (719, 295299), (2157, 98433), (6471, 32811), (10937, 19413)]