28429191

素因数分解:

$3^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19954809

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 349, 431, 1047, 1293, 2443, 3017, 3141, 3879, 7329, 9051, 9423, 11637, 21987, 27153, 65961, 81459, 150419, 451257, 1052933, 1353771, 3158799, 4061313, 9476397, 28429191]

約数ペア:

[(1, 28429191), (3, 9476397), (7, 4061313), (9, 3158799), (21, 1353771), (27, 1052933), (63, 451257), (189, 150419), (349, 81459), (431, 65961), (1047, 27153), (1293, 21987), (2443, 11637), (3017, 9423), (3141, 9051), (3879, 7329)]