81077805

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8539}}^1$

素因数の和:8761

約数の個数: 24

約数和(自身を含む): 141217440

約数和(自身を除く): 60139635

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 8539, 9495, 25617, 42695, 76851, 128085, 384255, 1801729, 5405187, 9008645, 16215561, 27025935, 81077805]

約数ペア:

[(1, 81077805), (3, 27025935), (5, 16215561), (9, 9008645), (15, 5405187), (45, 1801729), (211, 384255), (633, 128085), (1055, 76851), (1899, 42695), (3165, 25617), (8539, 9495)]