231497133

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 360622080

約数和(自身を除く): 129124947

約数列:

[1, 3, 7, 21, 71, 139, 213, 417, 497, 973, 1117, 1491, 2919, 3351, 7819, 9869, 23457, 29607, 69083, 79307, 155263, 207249, 237921, 465789, 555149, 1086841, 1665447, 3260523, 11023673, 33071019, 77165711, 231497133]

約数ペア:

[(1, 231497133), (3, 77165711), (7, 33071019), (21, 11023673), (71, 3260523), (139, 1665447), (213, 1086841), (417, 555149), (497, 465789), (973, 237921), (1117, 207249), (1491, 155263), (2919, 79307), (3351, 69083), (7819, 29607), (9869, 23457)]