15666945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 31021056

約数和(自身を除く): 15354111

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 67, 85, 105, 119, 131, 201, 255, 335, 357, 393, 469, 595, 655, 917, 1005, 1139, 1407, 1785, 1965, 2227, 2345, 2751, 3417, 4585, 5695, 6681, 7035, 7973, 8777, 11135, 13755, 15589, 17085, 23919, 26331, 33405, 39865, 43885, 46767, 61439, 77945, 119595, 131655, 149209, 184317, 233835, 307195, 447627, 746045, 921585, 1044463, 2238135, 3133389, 5222315, 15666945]

約数ペア:

[(1, 15666945), (3, 5222315), (5, 3133389), (7, 2238135), (15, 1044463), (17, 921585), (21, 746045), (35, 447627), (51, 307195), (67, 233835), (85, 184317), (105, 149209), (119, 131655), (131, 119595), (201, 77945), (255, 61439), (335, 46767), (357, 43885), (393, 39865), (469, 33405), (595, 26331), (655, 23919), (917, 17085), (1005, 15589), (1139, 13755), (1407, 11135), (1785, 8777), (1965, 7973), (2227, 7035), (2345, 6681), (2751, 5695), (3417, 4585)]