231931287

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2389}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 405649920

約数和(自身を除く): 173718633

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 201, 207, 469, 483, 603, 1407, 1449, 1541, 2389, 4221, 4623, 7167, 10787, 13869, 16723, 21501, 32361, 50169, 54947, 97083, 150507, 160063, 164841, 384629, 480189, 494523, 1120441, 1153887, 1440567, 3361323, 3461661, 3681449, 10083969, 11044347, 25770143, 33133041, 77310429, 231931287]

約数ペア:

[(1, 231931287), (3, 77310429), (7, 33133041), (9, 25770143), (21, 11044347), (23, 10083969), (63, 3681449), (67, 3461661), (69, 3361323), (161, 1440567), (201, 1153887), (207, 1120441), (469, 494523), (483, 480189), (603, 384629), (1407, 164841), (1449, 160063), (1541, 150507), (2389, 97083), (4221, 54947), (4623, 50169), (7167, 32361), (10787, 21501), (13869, 16723)]