201781387

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 231137280

約数和(自身を除く): 29355893

約数列:

[1, 19, 31, 37, 47, 197, 589, 703, 893, 1147, 1457, 1739, 3743, 6107, 7289, 9259, 21793, 27683, 33041, 53909, 116033, 138491, 175921, 225959, 287029, 342583, 1024271, 4293221, 5453551, 6509077, 10620073, 201781387]

約数ペア:

[(1, 201781387), (19, 10620073), (31, 6509077), (37, 5453551), (47, 4293221), (197, 1024271), (589, 342583), (703, 287029), (893, 225959), (1147, 175921), (1457, 138491), (1739, 116033), (3743, 53909), (6107, 33041), (7289, 27683), (9259, 21793)]