27805491

素因数分解:

$3^3\times 7^2\times {\mathrm{21017}}^1$

素因数の和:21040

約数の個数: 24

約数和(自身を含む): 47921040

約数和(自身を除く): 20115549

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21017, 63051, 147119, 189153, 441357, 567459, 1029833, 1324071, 3089499, 3972213, 9268497, 27805491]

約数ペア:

[(1, 27805491), (3, 9268497), (7, 3972213), (9, 3089499), (21, 1324071), (27, 1029833), (49, 567459), (63, 441357), (147, 189153), (189, 147119), (441, 63051), (1323, 21017)]