165505965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 285701568

約数和(自身を除く): 120195603

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 289, 365, 523, 867, 1095, 1241, 1445, 1569, 2615, 3723, 4335, 6205, 7845, 8891, 18615, 21097, 26673, 38179, 44455, 63291, 105485, 114537, 133365, 151147, 190895, 316455, 453441, 572685, 649043, 755735, 1947129, 2267205, 3245215, 9735645, 11033731, 33101193, 55168655, 165505965]

約数ペア:

[(1, 165505965), (3, 55168655), (5, 33101193), (15, 11033731), (17, 9735645), (51, 3245215), (73, 2267205), (85, 1947129), (219, 755735), (255, 649043), (289, 572685), (365, 453441), (523, 316455), (867, 190895), (1095, 151147), (1241, 133365), (1445, 114537), (1569, 105485), (2615, 63291), (3723, 44455), (4335, 38179), (6205, 26673), (7845, 21097), (8891, 18615)]