18395289

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 29969280

約数和(自身を除く): 11573991

約数列:

[1, 3, 9, 11, 27, 33, 99, 241, 257, 297, 723, 771, 2169, 2313, 2651, 2827, 6507, 6939, 7953, 8481, 23859, 25443, 61937, 71577, 76329, 185811, 557433, 681307, 1672299, 2043921, 6131763, 18395289]

約数ペア:

[(1, 18395289), (3, 6131763), (9, 2043921), (11, 1672299), (27, 681307), (33, 557433), (99, 185811), (241, 76329), (257, 71577), (297, 61937), (723, 25443), (771, 23859), (2169, 8481), (2313, 7953), (2651, 6939), (2827, 6507)]