42205617

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{1493}}^1$

素因数の和:1854

約数の個数: 20

約数和(自身を含む): 63270900

約数和(自身を除く): 21065283

約数列:

[1, 3, 9, 27, 81, 349, 1047, 1493, 3141, 4479, 9423, 13437, 28269, 40311, 120933, 521057, 1563171, 4689513, 14068539, 42205617]

約数ペア:

[(1, 42205617), (3, 14068539), (9, 4689513), (27, 1563171), (81, 521057), (349, 120933), (1047, 40311), (1493, 28269), (3141, 13437), (4479, 9423)]