28857213

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41641}}^1$

素因数の和:41665

約数の個数: 24

約数和(自身を含む): 51969216

約数和(自身を除く): 23112003

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 41641, 124923, 291487, 374769, 458051, 874461, 1374153, 2623383, 3206357, 4122459, 9619071, 28857213]

約数ペア:

[(1, 28857213), (3, 9619071), (7, 4122459), (9, 3206357), (11, 2623383), (21, 1374153), (33, 874461), (63, 458051), (77, 374769), (99, 291487), (231, 124923), (693, 41641)]