21270033

素因数分解:

$3^6\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 28

約数和(自身を含む): 32265360

約数和(自身を除く): 10995327

約数列:

[1, 3, 9, 27, 81, 163, 179, 243, 489, 537, 729, 1467, 1611, 4401, 4833, 13203, 14499, 29177, 39609, 43497, 87531, 118827, 130491, 262593, 787779, 2363337, 7090011, 21270033]

約数ペア:

[(1, 21270033), (3, 7090011), (9, 2363337), (27, 787779), (81, 262593), (163, 130491), (179, 118827), (243, 87531), (489, 43497), (537, 39609), (729, 29177), (1467, 14499), (1611, 13203), (4401, 4833)]