28981518

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{210011}}^1$

素因数の和:210039

約数の個数: 16

約数和(自身を含む): 60483456

約数和(自身を除く): 31501938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 210011, 420022, 630033, 1260066, 4830253, 9660506, 14490759, 28981518]

約数ペア:

[(1, 28981518), (2, 14490759), (3, 9660506), (6, 4830253), (23, 1260066), (46, 630033), (69, 420022), (138, 210011)]