161220795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{1567}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 272455680

約数和(自身を除く): 111234885

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1567, 1805, 4701, 5415, 6859, 7835, 20577, 23505, 29773, 34295, 89319, 102885, 148865, 446595, 565687, 1697061, 2828435, 8485305, 10748053, 32244159, 53740265, 161220795]

約数ペア:

[(1, 161220795), (3, 53740265), (5, 32244159), (15, 10748053), (19, 8485305), (57, 2828435), (95, 1697061), (285, 565687), (361, 446595), (1083, 148865), (1567, 102885), (1805, 89319), (4701, 34295), (5415, 29773), (6859, 23505), (7835, 20577)]