161524545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 322635264

約数和(自身を除く): 161110719

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 273, 365, 455, 511, 949, 1095, 1365, 1533, 1621, 2555, 2847, 4745, 4863, 6643, 7665, 8105, 11347, 14235, 19929, 21073, 24315, 33215, 34041, 56735, 63219, 99645, 105365, 118333, 147511, 170205, 316095, 354999, 442533, 591665, 737555, 828331, 1538329, 1774995, 2212665, 2484993, 4141655, 4614987, 7691645, 10768303, 12424965, 23074935, 32304909, 53841515, 161524545]

約数ペア:

[(1, 161524545), (3, 53841515), (5, 32304909), (7, 23074935), (13, 12424965), (15, 10768303), (21, 7691645), (35, 4614987), (39, 4141655), (65, 2484993), (73, 2212665), (91, 1774995), (105, 1538329), (195, 828331), (219, 737555), (273, 591665), (365, 442533), (455, 354999), (511, 316095), (949, 170205), (1095, 147511), (1365, 118333), (1533, 105365), (1621, 99645), (2555, 63219), (2847, 56735), (4745, 34041), (4863, 33215), (6643, 24315), (7665, 21073), (8105, 19929), (11347, 14235)]