81777615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6743

約数の個数: 32

約数和(自身を含む): 140954880

約数和(自身を除く): 59177265

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 6673, 12255, 20019, 33365, 100095, 126787, 286939, 380361, 633935, 860817, 1434695, 1901805, 4304085, 5451841, 16355523, 27259205, 81777615]

約数ペア:

[(1, 81777615), (3, 27259205), (5, 16355523), (15, 5451841), (19, 4304085), (43, 1901805), (57, 1434695), (95, 860817), (129, 633935), (215, 380361), (285, 286939), (645, 126787), (817, 100095), (2451, 33365), (4085, 20019), (6673, 12255)]