156768490665

素因数分解:

$3^4\times 5^1\times {\mathrm{387082693}}^1$

素因数の和:387082710

約数の個数: 20

約数和(自身を含む): 281022035844

約数和(自身を除く): 124253545179

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387082693, 1161248079, 1935413465, 3483744237, 5806240395, 10451232711, 17418721185, 31353698133, 52256163555, 156768490665]

約数ペア:

[(1, 156768490665), (3, 52256163555), (5, 31353698133), (9, 17418721185), (15, 10451232711), (27, 5806240395), (45, 3483744237), (81, 1935413465), (135, 1161248079), (405, 387082693)]