78471747

素因数分解:

$3^7\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 120087360

約数和(自身を除く): 41615613

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 677, 729, 1431, 2031, 2187, 4293, 6093, 12879, 18279, 35881, 38637, 54837, 107643, 115911, 164511, 322929, 493533, 968787, 1480599, 2906361, 8719083, 26157249, 78471747]

約数ペア:

[(1, 78471747), (3, 26157249), (9, 8719083), (27, 2906361), (53, 1480599), (81, 968787), (159, 493533), (243, 322929), (477, 164511), (677, 115911), (729, 107643), (1431, 54837), (2031, 38637), (2187, 35881), (4293, 18279), (6093, 12879)]