56278719

素因数分解:

$3^4\times 7^1\times {\mathrm{99257}}^1$

素因数の和:99276

約数の個数: 20

約数和(自身を含む): 96081744

約数和(自身を除く): 39803025

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 99257, 297771, 694799, 893313, 2084397, 2679939, 6253191, 8039817, 18759573, 56278719]

約数ペア:

[(1, 56278719), (3, 18759573), (7, 8039817), (9, 6253191), (21, 2679939), (27, 2084397), (63, 893313), (81, 694799), (189, 297771), (567, 99257)]