521019729

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{6469}}^1$

素因数の和:6654

約数の個数: 32

約数和(自身を含む): 817808000

約数和(自身を除く): 296788271

約数列:

[1, 3, 9, 19, 27, 57, 157, 171, 471, 513, 1413, 2983, 4239, 6469, 8949, 19407, 26847, 58221, 80541, 122911, 174663, 368733, 1015633, 1106199, 3046899, 3318597, 9140697, 19297027, 27422091, 57891081, 173673243, 521019729]

約数ペア:

[(1, 521019729), (3, 173673243), (9, 57891081), (19, 27422091), (27, 19297027), (57, 9140697), (157, 3318597), (171, 3046899), (471, 1106199), (513, 1015633), (1413, 368733), (2983, 174663), (4239, 122911), (6469, 80541), (8949, 58221), (19407, 26847)]