1898494857

素因数分解:

$3^2\times 7^2\times {\mathrm{761}}^1\times {\mathrm{5657}}^1$

素因数の和:6438

約数の個数: 36

約数和(自身を含む): 3194744436

約数和(自身を除く): 1296249579

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 761, 2283, 5327, 5657, 6849, 15981, 16971, 37289, 39599, 47943, 50913, 111867, 118797, 277193, 335601, 356391, 831579, 2494737, 4304977, 12914931, 30134839, 38744793, 90404517, 210943873, 271213551, 632831619, 1898494857]

約数ペア:

[(1, 1898494857), (3, 632831619), (7, 271213551), (9, 210943873), (21, 90404517), (49, 38744793), (63, 30134839), (147, 12914931), (441, 4304977), (761, 2494737), (2283, 831579), (5327, 356391), (5657, 335601), (6849, 277193), (15981, 118797), (16971, 111867), (37289, 50913), (39599, 47943)]