28879881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6247}}^1$

素因数の和:6340

約数の個数: 16

約数和(自身を含む): 40786944

約数和(自身を除く): 11907063

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 6247, 18741, 143681, 418549, 431043, 1255647, 9626627, 28879881]

約数ペア:

[(1, 28879881), (3, 9626627), (23, 1255647), (67, 431043), (69, 418549), (201, 143681), (1541, 18741), (4623, 6247)]