31143123

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 20853549

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 191, 243, 297, 549, 573, 671, 891, 1647, 1719, 2013, 2101, 2673, 4941, 5157, 6039, 6303, 11651, 14823, 15471, 18117, 18909, 34953, 46413, 54351, 56727, 104859, 128161, 163053, 170181, 314577, 384483, 510543, 943731, 1153449, 2831193, 3460347, 10381041, 31143123]

約数ペア:

[(1, 31143123), (3, 10381041), (9, 3460347), (11, 2831193), (27, 1153449), (33, 943731), (61, 510543), (81, 384483), (99, 314577), (183, 170181), (191, 163053), (243, 128161), (297, 104859), (549, 56727), (573, 54351), (671, 46413), (891, 34953), (1647, 18909), (1719, 18117), (2013, 15471), (2101, 14823), (2673, 11651), (4941, 6303), (5157, 6039)]