54240921

素因数分解:

$3^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 93206784

約数和(自身を除く): 38965863

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 271, 353, 567, 813, 1059, 1897, 2439, 2471, 3177, 5691, 7317, 7413, 9531, 17073, 21951, 22239, 28593, 51219, 66717, 95663, 153657, 200151, 286989, 669641, 860967, 2008923, 2582901, 6026769, 7748703, 18080307, 54240921]

約数ペア:

[(1, 54240921), (3, 18080307), (7, 7748703), (9, 6026769), (21, 2582901), (27, 2008923), (63, 860967), (81, 669641), (189, 286989), (271, 200151), (353, 153657), (567, 95663), (813, 66717), (1059, 51219), (1897, 28593), (2439, 22239), (2471, 21951), (3177, 17073), (5691, 9531), (7317, 7413)]