61721443

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20177}}^1$

素因数の和:20226

約数の個数: 16

約数和(自身を含む): 77483520

約数和(自身を除く): 15762077

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 20177, 141239, 383363, 464071, 2683541, 3248497, 8817349, 61721443]

約数ペア:

[(1, 61721443), (7, 8817349), (19, 3248497), (23, 2683541), (133, 464071), (161, 383363), (437, 141239), (3059, 20177)]