159056961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20981}}^1$

素因数の和:21029

約数の個数: 24

約数和(自身を含む): 255812544

約数和(自身を除く): 96755583

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 20981, 62943, 146867, 398639, 440601, 1195917, 2790473, 7574141, 8371419, 22722423, 53018987, 159056961]

約数ペア:

[(1, 159056961), (3, 53018987), (7, 22722423), (19, 8371419), (21, 7574141), (57, 2790473), (133, 1195917), (361, 440601), (399, 398639), (1083, 146867), (2527, 62943), (7581, 20981)]