1661565105

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 3175511040

約数和(自身を除く): 1513945935

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 53, 57, 95, 111, 159, 171, 185, 265, 285, 333, 477, 555, 703, 795, 855, 991, 1007, 1665, 1961, 2109, 2385, 2973, 3021, 3515, 4955, 5035, 5883, 6327, 8919, 9063, 9805, 10545, 14865, 15105, 17649, 18829, 29415, 31635, 36667, 37259, 44595, 45315, 52523, 56487, 88245, 94145, 110001, 111777, 157569, 169461, 183335, 186295, 262615, 282435, 330003, 335331, 472707, 550005, 558885, 696673, 787845, 847305, 997937, 1650015, 1676655, 1943351, 2090019, 2363535, 2993811, 3483365, 4989685, 5830053, 6270057, 8981433, 9716755, 10450095, 14969055, 17490159, 29150265, 31350285, 36923669, 44907165, 87450795, 110771007, 184618345, 332313021, 553855035, 1661565105]

約数ペア:

[(1, 1661565105), (3, 553855035), (5, 332313021), (9, 184618345), (15, 110771007), (19, 87450795), (37, 44907165), (45, 36923669), (53, 31350285), (57, 29150265), (95, 17490159), (111, 14969055), (159, 10450095), (171, 9716755), (185, 8981433), (265, 6270057), (285, 5830053), (333, 4989685), (477, 3483365), (555, 2993811), (703, 2363535), (795, 2090019), (855, 1943351), (991, 1676655), (1007, 1650015), (1665, 997937), (1961, 847305), (2109, 787845), (2385, 696673), (2973, 558885), (3021, 550005), (3515, 472707), (4955, 335331), (5035, 330003), (5883, 282435), (6327, 262615), (8919, 186295), (9063, 183335), (9805, 169461), (10545, 157569), (14865, 111777), (15105, 110001), (17649, 94145), (18829, 88245), (29415, 56487), (31635, 52523), (36667, 45315), (37259, 44595)]