77642487

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{51047}}^1$

素因数の和:51079

約数の個数: 18

約数和(自身を含む): 121443192

約数和(自身を除く): 43800705

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 51047, 153141, 459423, 663611, 1990833, 5972499, 8626943, 25880829, 77642487]

約数ペア:

[(1, 77642487), (3, 25880829), (9, 8626943), (13, 5972499), (39, 1990833), (117, 663611), (169, 459423), (507, 153141), (1521, 51047)]