45454545

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 81246672

約数和(自身を除く): 35792127

約数列:

[1, 3, 5, 9, 15, 45, 73, 101, 137, 219, 303, 365, 411, 505, 657, 685, 909, 1095, 1233, 1515, 2055, 3285, 4545, 6165, 7373, 10001, 13837, 22119, 30003, 36865, 41511, 50005, 66357, 69185, 90009, 110595, 124533, 150015, 207555, 331785, 450045, 622665, 1010101, 3030303, 5050505, 9090909, 15151515, 45454545]

約数ペア:

[(1, 45454545), (3, 15151515), (5, 9090909), (9, 5050505), (15, 3030303), (45, 1010101), (73, 622665), (101, 450045), (137, 331785), (219, 207555), (303, 150015), (365, 124533), (411, 110595), (505, 90009), (657, 69185), (685, 66357), (909, 50005), (1095, 41511), (1233, 36865), (1515, 30003), (2055, 22119), (3285, 13837), (4545, 10001), (6165, 7373)]