15690771621

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{487397}}^1$

素因数の和:487490

約数の個数: 36

約数和(自身を含む): 26725981932

約数和(自身を除く): 11035210311

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 1533, 3577, 4599, 10731, 32193, 487397, 1462191, 3411779, 4386573, 10235337, 23882453, 30706011, 35579981, 71647359, 106739943, 214942077, 249059867, 320219829, 747179601, 1743419069, 2241538803, 5230257207, 15690771621]

約数ペア:

[(1, 15690771621), (3, 5230257207), (7, 2241538803), (9, 1743419069), (21, 747179601), (49, 320219829), (63, 249059867), (73, 214942077), (147, 106739943), (219, 71647359), (441, 35579981), (511, 30706011), (657, 23882453), (1533, 10235337), (3577, 4386573), (4599, 3411779), (10731, 1462191), (32193, 487397)]