53071221

素因数分解:

$3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{7283}}^1$

素因数の和:7640

約数の個数: 16

約数和(自身を含む): 81114624

約数和(自身を除く): 28043403

約数列:

[1, 3, 7, 21, 347, 1041, 2429, 7283, 7287, 21849, 50981, 152943, 2527201, 7581603, 17690407, 53071221]

約数ペア:

[(1, 53071221), (3, 17690407), (7, 7581603), (21, 2527201), (347, 152943), (1041, 50981), (2429, 21849), (7283, 7287)]