51020529

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 83036160

約数和(自身を除く): 32015631

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 1801, 4047, 5403, 9443, 12607, 28329, 34219, 37821, 102657, 127871, 239533, 383613, 718599, 895097, 2429549, 2685291, 7288647, 17006843, 51020529]

約数ペア:

[(1, 51020529), (3, 17006843), (7, 7288647), (19, 2685291), (21, 2429549), (57, 895097), (71, 718599), (133, 383613), (213, 239533), (399, 127871), (497, 102657), (1349, 37821), (1491, 34219), (1801, 28329), (4047, 12607), (5403, 9443)]