123303921

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{243203}}^1$

素因数の和:243232

約数の個数: 12

約数和(自身を含む): 178025328

約数和(自身を除く): 54721407

約数列:

[1, 3, 13, 39, 169, 507, 243203, 729609, 3161639, 9484917, 41101307, 123303921]

約数ペア:

[(1, 123303921), (3, 41101307), (13, 9484917), (39, 3161639), (169, 729609), (507, 243203)]