30042981

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1314

約数の個数: 20

約数和(自身を含む): 45036684

約数和(自身を除く): 14993703

約数列:

[1, 3, 9, 27, 81, 421, 881, 1263, 2643, 3789, 7929, 11367, 23787, 34101, 71361, 370901, 1112703, 3338109, 10014327, 30042981]

約数ペア:

[(1, 30042981), (3, 10014327), (9, 3338109), (27, 1112703), (81, 370901), (421, 71361), (881, 34101), (1263, 23787), (2643, 11367), (3789, 7929)]