287777439

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 451357920

約数和(自身を除く): 163580481

約数列:

[1, 3, 9, 19, 53, 57, 113, 159, 171, 281, 339, 477, 843, 1007, 1017, 2147, 2529, 3021, 5339, 5989, 6441, 9063, 14893, 16017, 17967, 19323, 31753, 44679, 48051, 53901, 95259, 113791, 134037, 282967, 285777, 341373, 603307, 848901, 1024119, 1682909, 1809921, 2546703, 5048727, 5429763, 15146181, 31975271, 95925813, 287777439]

約数ペア:

[(1, 287777439), (3, 95925813), (9, 31975271), (19, 15146181), (53, 5429763), (57, 5048727), (113, 2546703), (159, 1809921), (171, 1682909), (281, 1024119), (339, 848901), (477, 603307), (843, 341373), (1007, 285777), (1017, 282967), (2147, 134037), (2529, 113791), (3021, 95259), (5339, 53901), (5989, 48051), (6441, 44679), (9063, 31753), (14893, 19323), (16017, 17967)]