390244401

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{134243}}^1$

素因数の和:134285

約数の個数: 24

約数和(自身を含む): 628261920

約数和(自身を除く): 238017519

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 134243, 402729, 1208187, 2282131, 2550617, 6846393, 7651851, 20539179, 22955553, 43360489, 130081467, 390244401]

約数ペア:

[(1, 390244401), (3, 130081467), (9, 43360489), (17, 22955553), (19, 20539179), (51, 7651851), (57, 6846393), (153, 2550617), (171, 2282131), (323, 1208187), (969, 402729), (2907, 134243)]