161566155

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 286752960

約数和(自身を除く): 125186805

約数列:

[1, 3, 5, 9, 15, 45, 73, 137, 219, 359, 365, 411, 657, 685, 1077, 1095, 1233, 1795, 2055, 3231, 3285, 5385, 6165, 10001, 16155, 26207, 30003, 49183, 50005, 78621, 90009, 131035, 147549, 150015, 235863, 245915, 393105, 442647, 450045, 737745, 1179315, 2213235, 3590359, 10771077, 17951795, 32313231, 53855385, 161566155]

約数ペア:

[(1, 161566155), (3, 53855385), (5, 32313231), (9, 17951795), (15, 10771077), (45, 3590359), (73, 2213235), (137, 1179315), (219, 737745), (359, 450045), (365, 442647), (411, 393105), (657, 245915), (685, 235863), (1077, 150015), (1095, 147549), (1233, 131035), (1795, 90009), (2055, 78621), (3231, 50005), (3285, 49183), (5385, 30003), (6165, 26207), (10001, 16155)]