8130423

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 13789440

約数和(自身を除く): 5659017

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 71, 123, 133, 147, 213, 287, 399, 497, 779, 861, 931, 1349, 1491, 2009, 2337, 2793, 2911, 3479, 4047, 5453, 6027, 8733, 9443, 10437, 16359, 20377, 28329, 38171, 55309, 61131, 66101, 114513, 142639, 165927, 198303, 387163, 427917, 1161489, 2710141, 8130423]

約数ペア:

[(1, 8130423), (3, 2710141), (7, 1161489), (19, 427917), (21, 387163), (41, 198303), (49, 165927), (57, 142639), (71, 114513), (123, 66101), (133, 61131), (147, 55309), (213, 38171), (287, 28329), (399, 20377), (497, 16359), (779, 10437), (861, 9443), (931, 8733), (1349, 6027), (1491, 5453), (2009, 4047), (2337, 3479), (2793, 2911)]