171991782

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 226139418

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 127, 186, 254, 279, 381, 558, 762, 809, 837, 1143, 1618, 1674, 2286, 2427, 3429, 3937, 4854, 6858, 7281, 7874, 11811, 14562, 21843, 23622, 25079, 35433, 43686, 50158, 70866, 75237, 102743, 106299, 150474, 205486, 212598, 225711, 308229, 451422, 616458, 677133, 924687, 1354266, 1849374, 2774061, 3185033, 5548122, 6370066, 9555099, 19110198, 28665297, 57330594, 85995891, 171991782]

約数ペア:

[(1, 171991782), (2, 85995891), (3, 57330594), (6, 28665297), (9, 19110198), (18, 9555099), (27, 6370066), (31, 5548122), (54, 3185033), (62, 2774061), (93, 1849374), (127, 1354266), (186, 924687), (254, 677133), (279, 616458), (381, 451422), (558, 308229), (762, 225711), (809, 212598), (837, 205486), (1143, 150474), (1618, 106299), (1674, 102743), (2286, 75237), (2427, 70866), (3429, 50158), (3937, 43686), (4854, 35433), (6858, 25079), (7281, 23622), (7874, 21843), (11811, 14562)]