71389251

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7877}}^1$

素因数の和:7955

約数の個数: 24

約数和(自身を含む): 110607120

約数和(自身を除く): 39217869

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 7877, 9063, 23631, 70893, 149663, 417481, 448989, 1252443, 1346967, 3757329, 7932139, 23796417, 71389251]

約数ペア:

[(1, 71389251), (3, 23796417), (9, 7932139), (19, 3757329), (53, 1346967), (57, 1252443), (159, 448989), (171, 417481), (477, 149663), (1007, 70893), (3021, 23631), (7877, 9063)]