25770213

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21529}}^1$

素因数の和:21561

約数の個数: 24

約数和(自身を含む): 44782400

約数和(自身を除く): 19012187

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21529, 64587, 150703, 193761, 409051, 452109, 1227153, 1356327, 2863357, 3681459, 8590071, 25770213]

約数ペア:

[(1, 25770213), (3, 8590071), (7, 3681459), (9, 2863357), (19, 1356327), (21, 1227153), (57, 452109), (63, 409051), (133, 193761), (171, 150703), (399, 64587), (1197, 21529)]