287988267

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{3331}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 460615680

約数和(自身を除く): 172627413

約数列:

[1, 3, 7, 21, 23, 69, 161, 179, 483, 537, 1253, 3331, 3759, 4117, 9993, 12351, 23317, 28819, 69951, 76613, 86457, 229839, 536291, 596249, 1608873, 1788747, 4173743, 12521229, 13713727, 41141181, 95996089, 287988267]

約数ペア:

[(1, 287988267), (3, 95996089), (7, 41141181), (21, 13713727), (23, 12521229), (69, 4173743), (161, 1788747), (179, 1608873), (483, 596249), (537, 536291), (1253, 229839), (3331, 86457), (3759, 76613), (4117, 69951), (9993, 28819), (12351, 23317)]